PT-2017-12381 · X.Org Foundation+3 · Xorg-X11-Server+3

Adam Mariš · Published 2017-10-12 · Updated 2019-10-09 · CVE-2017-12178

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 xorg-x11-server versions prior to 1.19.5

Description The issue is related to a wrong extra length check in the ProcXIChangeHierarchy function, which allows a malicious X client to cause the X server to crash or possibly execute arbitrary code.

Recommendations For versions prior to 1.19.5, update to version 1.19.5 or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-391

CWE-20

Related Identifiers

ALT-PU-2017-2438

CVE-2017-12178

DLA-1186-1

DSA-4000-1

MGASA-2017-0401

SUSE-SU-2017:3025-1

SUSE-SU-2017:3047-1

USN-3456-1

Affected Products

Alt Linux

Suse

Ubuntu

Xorg-X11-Server

References · 87

• https://ubuntu.com/security/CVE-2017-12185 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4000-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-12178 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0401.html · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12178 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12180 · Security Note
• https://ubuntu.com/security/CVE-2017-12183 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-12179 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2017-2438 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12186 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2017:3047-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2017-12178 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12183 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-12178 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-12182 · Vendor Advisory