PT-2016-7436 · X.Org Foundation+2 · Libx11+2

Tobias Stoeckmann · Published 2016-11-30 · Updated 2018-09-13 · CVE-2016-7943

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions libX11 versions prior to 1.6.4

Description The issue involves the XListFonts function in libX11, which might allow remote X servers to gain privileges. This is achieved through vectors involving length fields that trigger out-of-bounds write operations.

Recommendations For versions prior to 1.6.4, update to version 1.6.4 or later to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2016-2373

CVE-2016-7943

DLA-684-1

MGASA-2018-0011

USN-3758-1

USN-3758-2

Affected Products

Alt Linux

Ubuntu

Libx11

References · 39

• https://ubuntu.com/security/CVE-2018-14600 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14600 · Security Note
• https://advisories.mageia.org/MGASA-2018-0011.html · Security Note
• https://bdu.fstec.ru/vul/2019-00431 · Security Note
• https://bdu.fstec.ru/vul/2019-04258 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14598 · Security Note
• https://ubuntu.com/security/CVE-2016-7943 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-14598 · Vendor Advisory
• https://usn.ubuntu.com/3758-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7943 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7943 · Security Note
• https://security.gentoo.org/glsa/201704-03 · Vendor Advisory
• https://usn.ubuntu.com/3758-2 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2016-2373 · Vendor Advisory