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SUSE Linux 12-SP3: 2018:3102-1 Moderate: libX11 DoS Risks

suse
Calendar Grey October 12, 2018
Dist Suse Esm H88
SUSE has released a Security Update for libX11 and libxcb that addresses numerous vulnerabilities; essential setup guidelines are provided.
An update that solves three vulnerabilities and has one errata is now available

Summary

This update for libX11 and libxcb fixes the following issue: libX11: These security issues were fixed: - CVE-2018-14599: The function XListExtensions was vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact (bsc#1102062). - CVE-2018-14600: The function XListExtensions interpreted a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution (bsc#1102068). - CVE-2018-14598: A malicious server could have sent a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault) (bsc#1102073). This non-security issue was fixed:

Topics%20covered

Topics Covered

security advisory moderate DoS SUSE Linux out-of-bounds libX11 libxcb

References

#1094327 #1102062 #1102068 #1102073

Cross- CVE-2018-14598 CVE-2018-14599 CVE-2018-14600

Affected Products:

SUSE Linux Enterprise Software Development Kit 12-SP3

SUSE Linux Enterprise Server 12-SP3

SUSE Linux Enterprise Desktop 12-SP3

https://www.suse.com/security/cve/CVE-2018-14598.html

https://www.suse.com/security/cve/CVE-2018-14599.html

https://www.suse.com/security/cve/CVE-2018-14600.html

https://bugzilla.suse.com/1094327

https://bugzilla.suse.com/1102062

https://bugzilla.suse.com/1102068

https://bugzilla.suse.com/1102073

Announcement ID: SUSE-SU-2018:3102-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate DoS SUSE Linux out-of-bounds libX11 libxcb

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