CVEdetails.com the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
  Take a third party risk management course for FREE
Vulnerability Feeds & WidgetsNew   www.itsecdb.com  

Vulnerability Details : CVE-2021-32761

Redis is an in-memory database that persists on disk. A vulnerability involving out-of-bounds read and integer overflow to buffer overflow exists starting with version 2.2 and prior to versions 5.0.13, 6.0.15, and 6.2.5. On 32-bit systems, Redis `*BIT*` command are vulnerable to integer overflow that can potentially be exploited to corrupt the heap, leak arbitrary heap contents or trigger remote code execution. The vulnerability involves changing the default `proto-max-bulk-len` configuration parameter to a very large value and constructing specially crafted commands bit commands. This problem only affects Redis on 32-bit platforms, or compiled as a 32-bit binary. Redis versions 5.0.`3m 6.0.15, and 6.2.5 contain patches for this issue. An additional workaround to mitigate the problem without patching the `redis-server` executable is to prevent users from modifying the `proto-max-bulk-len` configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.
Publish Date : 2021-07-21 Last Update Date : 2021-11-28
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
6.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication ???
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID 125

- Products Affected By CVE-2021-32761

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
3 OS Debian Debian Linux 11.0 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
5 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
6 Application Redislabs Redis * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 3
Fedoraproject Fedora 2
Redislabs Redis 1

- References For CVE-2021-32761

https://www.debian.org/security/2021/dsa-5001
DEBIAN DSA-5001
https://lists.debian.org/debian-lts-announce/2021/08/msg00026.html
MLIST [debian-lts-announce] 20210827 [SECURITY] [DLA 2717-2] redis security update
https://security.netapp.com/advisory/ntap-20210827-0004/ CONFIRM
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6O7AUOROBYGP5IMGJPC5HZ3R2RB6GZ5X/
FEDORA FEDORA-2021-76cf1653b3
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VGX7RRAWGXWXEAKJTQYSDSBO2BC3SAHD/
FEDORA FEDORA-2021-10d54c261f
https://lists.debian.org/debian-lts-announce/2021/07/msg00017.html
MLIST [debian-lts-announce] 20210722 [SECURITY] [DLA 2717-1] redis security update
https://github.com/redis/redis/security/advisories/GHSA-8wxq-j7rp-g8wj CONFIRM

- Metasploit Modules Related To CVE-2021-32761

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.