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SUSE: 2019:1749-1 Moderate: Libu2f-host Memory Leak and Overflow Issues

suse
Calendar Grey July 4, 2019
Dist Suse Esm H88
The recent patch for libu2f-host tackles various vulnerabilities, fortifying the system against possible risks and enhancing overall security.
An update that fixes four vulnerabilities is now available

Summary

This update for libu2f-host and pam_u2f to version 1.0.8 fixes the following issues: Security issues fixed for libu2f-host: - CVE-2019-9578: Fixed a memory leak due to a wrong parse of init's response (bsc#1128140). - CVE-2018-20340: Fixed an unchecked buffer, which could allow a buffer overflow with a custom made malicious USB device (bsc#1124781). Security issues fixed for pam_u2f: - CVE-2019-12209: Fixed an issue where symlinks in the user's directory were followed (bsc#1135729). - CVE-2019-12210: Fixed file descriptor leaks (bsc#1135727). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 12-SP4:

Topics%20covered

Topics Covered

security advisory moderate security issue buffer overflow memory leak suse libu2f-host

References

#1124781 #1128140 #1135727 #1135729

Cross- CVE-2018-20340 CVE-2019-12209 CVE-2019-12210

CVE-2019-9578

Affected Products:

SUSE Linux Enterprise Server 12-SP4

SUSE Linux Enterprise Desktop 12-SP4

https://www.suse.com/security/cve/CVE-2018-20340.html

https://www.suse.com/security/cve/CVE-2019-12209.html

https://www.suse.com/security/cve/CVE-2019-12210.html

https://www.suse.com/security/cve/CVE-2019-9578.html

https://bugzilla.suse.com/1124781

https://bugzilla.suse.com/1128140

https://bugzilla.suse.com/1135727

https://bugzilla.suse.com/1135729

Announcement ID: SUSE-SU-2019:1749-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security issue buffer overflow memory leak suse libu2f-host

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