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Vulnerability Details : CVE-2021-3472

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Publish Date : 2021-04-26 Last Update Date : 2021-05-19
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
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 Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 191

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:2033: xorg-x11-server security update (Important) oval:com.redhat.rhsa:def:20212033 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-2021-3472

# 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 Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
5 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
8 Application X.org X Server * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Fedoraproject Fedora 3
Redhat Enterprise Linux 2
X.org X Server 1

- References For CVE-2021-3472

https://security.gentoo.org/glsa/202104-02
GENTOO GLSA-202104-02
https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/
FEDORA FEDORA-2021-f7b4c97879
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/
FEDORA FEDORA-2021-112d542766
https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html
MLIST [debian-lts-announce] 20210415 [SECURITY] [DLA 2627-1] xorg-server security update
http://www.openwall.com/lists/oss-security/2021/04/13/1
MLIST [oss-security] 20210413 X.Org server security advisory: April 13, 2021
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/
FEDORA FEDORA-2021-139f3fc21c
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/
FEDORA FEDORA-2021-0e2981e013
https://www.tenable.com/plugins/nessus/148701
https://bugzilla.redhat.com/show_bug.cgi?id=1944167
https://www.debian.org/security/2021/dsa-4893
DEBIAN DSA-4893
https://lists.x.org/archives/xorg-announce/2021-April/003080.html
https://www.zerodayinitiative.com/advisories/ZDI-21-463/
https://seclists.org/oss-sec/2021/q2/20

- Metasploit Modules Related To CVE-2021-3472

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


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