CVE-2020-14344
MEDIUMCVSS 6.7/10EPSS 0.48%
Last modified
CVE-2020-14344 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| X.Org | Libx11 | < 1.6.10 |
| Fedoraproject | Fedora | 31 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00014.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00015.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00024.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00031.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14344Issue Tracking, Patch, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-July/003050.htmlMailing List, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202008-18Third Party Advisory
- https://usn.ubuntu.com/4487-1/Third Party Advisory
- https://usn.ubuntu.com/4487-2/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/07/31/1Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00014.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00015.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00024.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00031.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14344Issue Tracking, Patch, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-July/003050.htmlMailing List, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202008-18Third Party Advisory
- https://usn.ubuntu.com/4487-1/Third Party Advisory
- https://usn.ubuntu.com/4487-2/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/07/31/1Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-14344?
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.
How severe is CVE-2020-14344?
CVE-2020-14344 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2020-14344?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2020-14344?
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Scan your code nowSource: NVD / NIST