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CVE-2020-14344

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Date: August 5, 2020

An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid programs call XIM client functions while running with elevated privileges. No such programs are shipped with Red Hat Enterprise Linux.

Language: C

Severity Score

Related Resources (22)

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00014.html
https://security.alpinelinux.org/vuln/CVE-2020-14344
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14344
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00024.html
https://lists.x.org/archives/xorg-announce/2020-July/003050.html
https://access.redhat.com/security/cve/CVE-2020-14344
https://nvd.nist.gov/vuln/detail/CVE-2020-14344
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XY4H2SIEF2362AMNX5ZKWAELGU7LKFJB/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14344
https://www.openwall.com/lists/oss-security/2020/07/31/1
https://security-tracker.debian.org/tracker/CVE-2020-14344
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4VDDSAYV7XGNRCXE7HCU23645MG74OFF/
https://security.gentoo.org/glsa/202008-18
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XY4H2SIEF2362AMNX5ZKWAELGU7LKFJB/
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7AVXCQOSCAPKYYHFIJAZ6E2C7LJBTLXF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VDDSAYV7XGNRCXE7HCU23645MG74OFF/
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00031.html
https://usn.ubuntu.com/4487-1/
https://usn.ubuntu.com/4487-2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7AVXCQOSCAPKYYHFIJAZ6E2C7LJBTLXF/
https://www.mend.io/vulnerability-database/CVE-2020-14344

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Top Fix

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Upgrade Version

Upgrade to version libX11-1.6.10

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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