CVE-2018-14599

Home/CVE/An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-on

CVE

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-on

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.

CRITICAL · CVSS 9.8 EPSS 0.03108

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-193Off-by-one Error

▤

Affected Products & Versions

x.org libx11<= 1.6.5
canonical ubuntu linuxall versions
debian linuxall versions
fedoraproject fedoraall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions

▣

Scoring & Timeline

9.8

CRITICAL · CVSS v3.1 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD24 Aug 2018 · 07:29 PM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10918-1
suse-csafSUSE-SU-2018:3102-1
suse-csafSUSE-SU-2018:2955-1
suse-csafSUSE-SU-2018:2934-1
usnUSN-3758-2
Show all 7 vendor advisoriesusnUSN-3758-1
rhsaRHSA-2019:2079Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://www.openwall.com/lists/oss-security/2018/08/21/6Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/105177Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1041543Third Party AdvisoryVDB Entry

https://bugzilla.suse.com/show_bug.cgi?id=1102062Issue TrackingPatchThird Party Advisory

https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=b469da1430cdcee06e31c6251b83aede072a1ff0PatchThird Party Advisory

https://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlThird Party Advisory

Show all 11 references

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/

https://lists.x.org/archives/xorg-announce/2018-August/002916.htmlThird Party Advisory

https://security.gentoo.org/glsa/201811-01Third Party Advisory

https://usn.ubuntu.com/3758-1/Third Party Advisory

https://usn.ubuntu.com/3758-2/Third Party Advisory

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