CVE-2021-3472

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/04/13/1 Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1944167 Issue Tracking Patch Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/
https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List Patch Vendor Advisory
https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List Patch Vendor Advisory
https://seclists.org/oss-sec/2021/q2/20 Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/202104-02 Third Party Advisory
https://www.debian.org/security/2021/dsa-4893 Third Party Advisory
https://www.tenable.com/plugins/nessus/148701 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-463/ Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2021/04/13/1 Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1944167 Issue Tracking Patch Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/
https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List Patch Vendor Advisory
https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List Patch Vendor Advisory
https://seclists.org/oss-sec/2021/q2/20 Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/202104-02 Third Party Advisory
https://www.debian.org/security/2021/dsa-4893 Third Party Advisory
https://www.tenable.com/plugins/nessus/148701 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-463/ Third Party Advisory VDB Entry
Configurations

Configuration 1 (hide)

cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
History

21 Nov 2024, 06:21

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2021/04/13/1 - Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/04/13/1 - Mailing List, Patch, Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=1944167 - Issue Tracking, Patch, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1944167 - Issue Tracking, Patch, Third Party Advisory
References () https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd - Patch, Third Party Advisory () https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd - Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ -
References () https://lists.x.org/archives/xorg-announce/2021-April/003080.html - Mailing List, Patch, Vendor Advisory () https://lists.x.org/archives/xorg-announce/2021-April/003080.html - Mailing List, Patch, Vendor Advisory
References () https://seclists.org/oss-sec/2021/q2/20 - Mailing List, Patch, Third Party Advisory () https://seclists.org/oss-sec/2021/q2/20 - Mailing List, Patch, Third Party Advisory
References () https://security.gentoo.org/glsa/202104-02 - Third Party Advisory () https://security.gentoo.org/glsa/202104-02 - Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4893 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4893 - Third Party Advisory
References () https://www.tenable.com/plugins/nessus/148701 - Third Party Advisory () https://www.tenable.com/plugins/nessus/148701 - Third Party Advisory
References () https://www.zerodayinitiative.com/advisories/ZDI-21-463/ - Third Party Advisory, VDB Entry () https://www.zerodayinitiative.com/advisories/ZDI-21-463/ - Third Party Advisory, VDB Entry

07 Nov 2023, 03:38

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/', 'name': 'FEDORA-2021-f7b4c97879', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/', 'name': 'FEDORA-2021-112d542766', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/', 'name': 'FEDORA-2021-139f3fc21c', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/', 'name': 'FEDORA-2021-0e2981e013', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ -
Information

Published : 2021-04-26 15:15

Updated : 2024-11-21 06:21

NVD link : CVE-2021-3472

Mitre link : CVE-2021-3472

CVE.ORG link : CVE-2021-3472

JSON object : View

Products Affected

debian

  • debian_linux

redhat

  • enterprise_linux

fedoraproject

  • fedora

x.org

  • x_server
CWE
CWE-191

Integer Underflow (Wrap or Wraparound)


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