CVE-2017-12178 — Unchecked Error Condition in X Server

CWE-391 — Unchecked Error ConditionCWE-20 — Improper Input Validation9 documents8 sources
Severity
9.8CRITICALNVD
EPSS
0.9%
top 24.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
X.org Xorg-serverX.org X ServerTHE X.org Foundation Xorg-x11-server+1 more
Timeline
PublishedJan 24
Latest updateMay 13

Description

xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶Debianx.org/xorg-server< 2:1.19.5-1+3
▶CVEListV5the_x.org_foundation/xorg-x11-serverbefore 1.19.5
▶NVDx.org/x_server< 1.19.5

Also affects: Debian Linux 8.0, 9.0

Patches

Patch: bugzilla.redhat.com ↗Patch: cgit.freedesktop.org ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-7xv3-2rc8-75j5: xorg-x11-server before 1↗2022-05-13
▶
CVEList
CVE-2017-12178: xorg-x11-server before 1↗2018-01-24
▶
OSV
CVE-2017-12178: xorg-x11-server before 1↗2018-01-24
▶

📋Vendor Advisories

3
Ubuntu
X.Org X server vulnerabilities↗2017-10-17
▶
Red Hat
xorg-x11-server: wrong extra length check in ProcXIChangeHierarchy↗2017-10-10
▶
Debian
CVE-2017-12178: xorg-server - xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierar...↗2017
▶

💬Community

2
Bugzilla
CVE-2017-12178 xorg-x11-server: wrong extra length check in ProcXIChangeHierarchy↗2017-11-03
▶
Bugzilla
CVE-2017-12176 CVE-2017-12177 CVE-2017-12178 CVE-2017-12179 CVE-2017-12180 CVE-2017-12181 CVE-2017-12182 CVE-2017-12183 CVE-2017-12184 CVE-2017-12185 CVE-2017-12186 CVE-2017-12187 xorg-x11-server: var↗2017-11-03
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CVE-2017-12178 — Unchecked Error Condition in X Server | cvebase