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Vulnerability Details : CVE-2017-2620

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Publish Date : 2018-07-27 Last Update Date : 2021-08-04
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 125

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:0352: qemu-kvm security update (Important) oval:com.redhat.rhsa:def:20170352 unix
RHSA-2017:0396: qemu-kvm security and bug fix update (Important) oval:com.redhat.rhsa:def:20170396 unix
RHSA-2017:0454: kvm security update (Important) oval:com.redhat.rhsa:def:20170454 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-2620

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix Xenserver 6.0.2 * * * Version Details Vulnerabilities
2 Application Citrix Xenserver 6.2.0 SP1 * * Version Details Vulnerabilities
3 Application Citrix Xenserver 6.5 SP1 * * Version Details Vulnerabilities
4 Application Citrix Xenserver 7.0 * * * Version Details Vulnerabilities
5 Application Citrix Xenserver 7.1 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
7 Application Qemu Qemu * * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server Aus 7.3 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server Aus 7.4 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Eus 7.3 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Eus 7.4 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Eus 7.5 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities
19 Application Redhat Openstack 5.0 * * * Version Details Vulnerabilities
20 Application Redhat Openstack 6.0 * * * Version Details Vulnerabilities
21 Application Redhat Openstack 7.0 * * * Version Details Vulnerabilities
22 Application Redhat Openstack 8 * * * Version Details Vulnerabilities
23 Application Redhat Openstack 9 * * * Version Details Vulnerabilities
24 Application Redhat Openstack 10 * * * Version Details Vulnerabilities
25 OS XEN XEN * * * * Version Details Vulnerabilities
26 OS XEN XEN 4.7.1 R4 * * Version Details Vulnerabilities
27 OS XEN XEN 4.7.1 R6 * * Version Details Vulnerabilities
28 OS XEN XEN 4.7.1 R5 * * Version Details Vulnerabilities
29 OS XEN XEN 4.7.1 R1 * * Version Details Vulnerabilities
30 OS XEN XEN 4.7.1 R7 * * Version Details Vulnerabilities
31 OS XEN XEN 4.7.1 R2 * * Version Details Vulnerabilities
32 OS XEN XEN 4.7.1 R3 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix Xenserver 5
Debian Debian Linux 1
Qemu Qemu 1
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Server Aus 2
Redhat Enterprise Linux Server Eus 3
Redhat Enterprise Linux Workstation 2
Redhat Openstack 6

- References For CVE-2017-2620
REDHAT RHSA-2017:0328
REDHAT RHSA-2017:0329
REDHAT RHSA-2017:0350
REDHAT RHSA-2017:0332
REDHAT RHSA-2017:0331
REDHAT RHSA-2017:0333
REDHAT RHSA-2017:0334
REDHAT RHSA-2017:0351
REDHAT RHSA-2017:0352
REDHAT RHSA-2017:0396
SECTRACK 1037870
MLIST [debian-lts-announce] 20180206 [SECURITY] [DLA 1270-1] xen security update
GENTOO GLSA-201703-07
GENTOO GLSA-201704-01
REDHAT RHSA-2017:0330
MLIST [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update CONFIRM
BID 96378 Qemu CVE-2017-2620 Remote Code Execution Vulnerability Release Date:2017-04-14
MLIST [oss-security] 20170221 CVE-2017-2620 Qemu: display: cirrus: out-of-bounds access issue while in cirrus_bitblt_cputovideo
MLIST [qemu-devel] 20170221 [PATCH] cirrus: add blit_is_unsafe call to cirrus_bitblt_cputovideo (CVE-2017-2620)

- Metasploit Modules Related To CVE-2017-2620

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

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