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Canonical : Security Vulnerabilities (CVSS score between 6 and 7.99)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2021-45417 787 Overflow 2022-01-20 2022-01-26
7.2
None Local Low Not required Complete Complete Complete
AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.
2 CVE-2021-44420 287 Bypass 2021-12-08 2021-12-29
7.5
None Remote Low Not required Partial Partial Partial
In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths.
3 CVE-2021-25683 20 2021-06-11 2021-06-22
7.2
None Local Low Not required Complete Complete Complete
It was discovered that the get_starttime() function in data/apport did not properly parse the /proc/pid/stat file from the kernel.
4 CVE-2021-25682 20 2021-06-11 2021-06-22
7.2
None Local Low Not required Complete Complete Complete
It was discovered that the get_pid_info() function in data/apport did not properly parse the /proc/pid/status file from the kernel.
5 CVE-2021-3939 763 2021-11-17 2021-11-19
7.2
None Local Low Not required Complete Complete Complete
Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1.
6 CVE-2021-3493 269 +Priv 2021-04-17 2021-12-16
7.2
None Local Low Not required Complete Complete Complete
The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow unprivileged overlay mounts, an attacker could use this to gain elevated privileges.
7 CVE-2021-3492 415 DoS +Priv 2021-04-17 2021-05-21
7.2
None Local Low Not required Complete Complete Complete
Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring during copy_from_user() correctly. These could lead to either a double-free situation or memory not being freed at all. An attacker could use this to cause a denial of service (kernel memory exhaustion) or gain privileges via executing arbitrary code. AKA ZDI-CAN-13562.
8 CVE-2021-3491 787 Exec Code Overflow Bypass 2021-06-04 2021-09-14
7.2
None Local Low Not required Complete Complete Complete
The io_uring subsystem in the Linux kernel allowed the MAX_RW_COUNT limit to be bypassed in the PROVIDE_BUFFERS operation, which led to negative values being usedin mem_rw when reading /proc/<PID>/mem. This could be used to create a heap overflow leading to arbitrary code execution in the kernel. It was addressed via commit d1f82808877b ("io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers") (v5.13-rc1) and backported to the stable kernels in v5.12.4, v5.11.21, and v5.10.37. It was introduced in ddf0322db79c ("io_uring: add IORING_OP_PROVIDE_BUFFERS") (v5.7-rc1).
9 CVE-2021-3490 125 Exec Code 2021-06-04 2021-09-14
7.2
None Local Low Not required Complete Complete Complete
The eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was fixed via commit 049c4e13714e ("bpf: Fix alu32 const subreg bound tracking on bitwise operations") (v5.13-rc4) and backported to the stable kernels in v5.12.4, v5.11.21, and v5.10.37. The AND/OR issues were introduced by commit 3f50f132d840 ("bpf: Verifier, do explicit ALU32 bounds tracking") (5.7-rc1) and the XOR variant was introduced by 2921c90d4718 ("bpf:Fix a verifier failure with xor") ( 5.10-rc1).
10 CVE-2021-3489 787 Exec Code 2021-06-04 2021-09-14
7.2
None Local Low Not required Complete Complete Complete
The eBPF RINGBUF bpf_ringbuf_reserve() function in the Linux kernel did not check that the allocated size was smaller than the ringbuf size, allowing an attacker to perform out-of-bounds writes within the kernel and therefore, arbitrary code execution. This issue was fixed via commit 4b81ccebaeee ("bpf, ringbuf: Deny reserve of buffers larger than ringbuf") (v5.13-rc4) and backported to the stable kernels in v5.12.4, v5.11.21, and v5.10.37. It was introduced via 457f44363a88 ("bpf: Implement BPF ring buffer and verifier support for it") (v5.8-rc1).
11 CVE-2020-26137 74 2020-09-30 2021-12-07
6.4
None Remote Low Not required Partial Partial None
urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.
12 CVE-2020-26116 116 2020-09-27 2021-12-07
6.4
None Remote Low Not required Partial Partial None
http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.
13 CVE-2020-25031 59 2020-08-31 2020-09-04
7.2
None Local Low Not required Complete Complete Complete
checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file.
14 CVE-2020-24606 20 DoS 2020-08-24 2021-07-21
7.1
None Remote Medium Not required None None Complete
Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF.
15 CVE-2020-15862 269 2020-08-20 2020-09-04
7.2
None Local Low Not required Complete Complete Complete
Net-SNMP through 5.7.3 has Improper Privilege Management because SNMP WRITE access to the EXTEND MIB provides the ability to run arbitrary commands as root.
16 CVE-2020-14382 787 Overflow 2020-09-16 2022-01-01
6.8
None Remote Medium Not required Partial Partial Partial
A vulnerability was found in upstream release cryptsetup-2.2.0 where, there's a bug in LUKS2 format validation code, that is effectively invoked on every device/image presenting itself as LUKS2 container. The bug is in segments validation code in file 'lib/luks2/luks2_json_metadata.c' in function hdr_validate_segments(struct crypt_device *cd, json_object *hdr_jobj) where the code does not check for possible overflow on memory allocation used for intervals array (see statement "intervals = malloc(first_backup * sizeof(*intervals));"). Due to the bug, library can be *tricked* to expect such allocation was successful but for far less memory then originally expected. Later it may read data FROM image crafted by an attacker and actually write such data BEYOND allocated memory.
17 CVE-2020-14376 120 Overflow 2020-09-30 2021-01-05
6.9
None Local Medium Not required Complete Complete Complete
A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. A lack of bounds checking when copying iv_data from the VM guest memory into host memory can lead to a large buffer overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
18 CVE-2020-14374 120 Overflow 2020-09-30 2021-01-04
7.2
None Local Low Not required Complete Complete Complete
A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. A flawed bounds checking in the copy_data function leads to a buffer overflow allowing an attacker in a virtual machine to write arbitrary data to any address in the vhost_crypto application. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
19 CVE-2020-14355 120 Exec Code Overflow 2020-10-07 2020-12-04
6.5
None Remote Low ??? Partial Partial Partial
Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. These flaws allow a malicious client or server to send specially crafted messages that, when processed by the QUIC image compression algorithm, result in a process crash or potential code execution.
20 CVE-2020-13645 295 2020-05-28 2021-06-22
6.4
None Remote Low Not required Partial Partial None
In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification of the server's TLS certificate if the application fails to specify the expected server identity. This is in contrast to its intended documented behavior, to fail the certificate verification. Applications that fail to provide the server identity, including Balsa before 2.5.11 and 2.6.x before 2.6.1, accept a TLS certificate if the certificate is valid for any host.
21 CVE-2020-13398 787 2020-05-22 2020-11-09
6.5
None Remote Low ??? Partial Partial Partial
An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) write vulnerability has been detected in crypto_rsa_common in libfreerdp/crypto/crypto.c.
22 CVE-2020-11984 120 2020-08-07 2021-06-06
7.5
None Remote Low Not required Partial Partial Partial
Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE
23 CVE-2020-11958 787 Overflow 2020-04-21 2020-07-27
6.8
None Remote Medium Not required Partial Partial Partial
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
24 CVE-2020-11945 190 Exec Code Overflow 2020-04-23 2021-03-17
7.5
None Remote Low Not required Partial Partial Partial
An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials).
25 CVE-2020-11884 362 Exec Code 2020-04-29 2021-01-04
6.9
None Local Medium Not required Complete Complete Complete
In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enable_sacf_uaccess in arch/s390/lib/uaccess.c that fails to protect against a concurrent page table upgrade, aka CID-3f777e19d171. A crash could also occur.
26 CVE-2020-11793 416 DoS Exec Code Mem. Corr. 2020-04-17 2020-06-13
6.8
None Remote Medium Not required Partial Partial Partial
A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).
27 CVE-2020-11524 787 2020-05-15 2020-07-27
6.0
None Remote Medium ??? Partial Partial Partial
libfreerdp/codec/interleaved.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.
28 CVE-2020-11523 190 Overflow 2020-05-15 2020-08-30
6.0
None Remote Medium ??? Partial Partial Partial
libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.
29 CVE-2020-11522 125 2020-05-15 2020-08-30
6.4
None Remote Low Not required Partial None Partial
libfreerdp/gdi/gdi.c in FreeRDP > 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.
30 CVE-2020-11521 190 2020-05-15 2021-07-21
6.0
None Remote Medium ??? Partial Partial Partial
libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.
31 CVE-2020-10683 611 2020-05-01 2021-12-10
7.5
None Remote Low Not required Partial Partial Partial
dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, there is popular external documentation from OWASP showing how to enable the safe, non-default behavior in any application that uses dom4j.
32 CVE-2020-10174 362 Exec Code 2020-03-05 2022-01-01
6.9
None Local Medium Not required Complete Complete Complete
init_tmp in TeeJee.FileSystem.vala in Timeshift before 20.03 unsafely reuses a preexisting temporary directory in the predictable location /tmp/timeshift. It follows symlinks in this location or uses directories owned by unprivileged users. Because Timeshift also executes scripts under this location, an attacker can attempt to win a race condition to replace scripts created by Timeshift with attacker-controlled scripts. Upon success, an attacker-controlled script is executed with full root privileges. This logic is practically always triggered when Timeshift runs regardless of the command-line arguments used.
33 CVE-2020-9308 787 2020-02-20 2022-01-01
6.8
None Remote Medium Not required Partial Partial Partial
archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.
34 CVE-2020-8835 119 Overflow 2020-04-02 2021-07-21
7.2
None Local Low Not required Complete Complete Complete
In the Linux kernel 5.5.0 and newer, the bpf verifier (kernel/bpf/verifier.c) did not properly restrict the register bounds for 32-bit operations, leading to out-of-bounds reads and writes in kernel memory. The vulnerability also affects the Linux 5.4 stable series, starting with v5.4.7, as the introducing commit was backported to that branch. This vulnerability was fixed in 5.6.1, 5.5.14, and 5.4.29. (issue is aka ZDI-CAN-10780)
35 CVE-2020-8492 400 DoS 2020-01-30 2021-09-16
7.1
None Remote Medium Not required None None Complete
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
36 CVE-2020-8450 119 Overflow 2020-02-04 2021-07-21
7.5
None Remote Low Not required Partial Partial Partial
An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.
37 CVE-2020-8130 78 2020-02-24 2020-06-30
6.9
None Local Medium Not required Complete Complete Complete
There is an OS command injection vulnerability in Ruby Rake < 12.3.3 in Rake::FileList when supplying a filename that begins with the pipe character `|`.
38 CVE-2020-7069 326 2020-10-02 2021-12-02
6.4
None Remote Low Not required Partial Partial None
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.
39 CVE-2020-7065 787 Exec Code Mem. Corr. 2020-04-01 2021-12-02
6.8
None Remote Medium Not required Partial Partial Partial
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
40 CVE-2020-6831 120 Overflow Mem. Corr. 2020-05-26 2021-07-21
7.5
None Remote Low Not required Partial Partial Partial
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
41 CVE-2020-6801 787 Mem. Corr. 2020-03-02 2022-01-01
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers reported memory safety bugs present in Firefox 72. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 73.
42 CVE-2020-6800 787 Mem. Corr. 2020-03-02 2022-01-01
6.8
None Remote Medium Not required Partial Partial Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
43 CVE-2020-6061 787 Overflow +Info 2020-02-19 2022-01-01
7.5
None Remote Low Not required Partial Partial Partial
An exploitable heap overflow vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to information leaks and other misbehavior. An attacker needs to send an HTTPS request to trigger this vulnerability.
44 CVE-2020-5529 665 Exec Code 2020-02-11 2021-12-30
6.8
None Remote Medium Not required Partial Partial Partial
HtmlUnit prior to 2.37.0 contains code execution vulnerabilities. HtmlUnit initializes Rhino engine improperly, hence a malicious JavScript code can execute arbitrary Java code on the application. Moreover, when embedded in Android application, Android-specific initialization of Rhino engine is done in an improper way, hence a malicious JavaScript code can execute arbitrary Java code on the application.
45 CVE-2020-5312 120 Overflow 2020-01-03 2020-07-10
7.5
None Remote Low Not required Partial Partial Partial
libImaging/PcxDecode.c in Pillow before 6.2.2 has a PCX P mode buffer overflow.
46 CVE-2020-5311 120 Overflow 2020-01-03 2020-07-10
7.5
None Remote Low Not required Partial Partial Partial
libImaging/SgiRleDecode.c in Pillow before 6.2.2 has an SGI buffer overflow.
47 CVE-2020-4030 190 Overflow Bypass 2020-06-22 2021-10-07
6.4
None Remote Low Not required Partial None Partial
In FreeRDP before version 2.1.2, there is an out of bounds read in TrioParse. Logging might bypass string length checks due to an integer overflow. This is fixed in version 2.1.2.
48 CVE-2020-2604 2020-01-15 2021-07-21
6.8
None Remote Medium Not required Partial Partial Partial
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Serialization). Supported versions that are affected are Java SE: 7u241, 8u231, 11.0.5 and 13.0.1; Java SE Embedded: 8u231. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in takeover of Java SE, Java SE Embedded. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS v3.0 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
49 CVE-2020-1700 400 DoS 2020-02-07 2022-01-01
6.8
None Remote Low ??? None None Complete
A flaw was found in the way the Ceph RGW Beast front-end handles unexpected disconnects. An authenticated attacker can abuse this flaw by making multiple disconnect attempts resulting in a permanent leak of a socket connection by radosgw. This flaw could lead to a denial of service condition by pile up of CLOSE_WAIT sockets, eventually leading to the exhaustion of available resources, preventing legitimate users from connecting to the system.
50 CVE-2019-20908 269 Bypass 2020-07-15 2021-07-21
6.9
None Local Medium Not required Complete Complete Complete
An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032.
Total number of vulnerabilities : 1063   Page : 1 (This Page)2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
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