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Slackware 14.2: 2019-086-01 Moderate: Gnutls Memory Corruption Issue

slackware
Calendar Grey March 27, 2019
Dist Slackware Esm H88
The latest gnutls updates for Slackware address critical memory leaks and use-after-free vulnerabilities, enhancing system security significantly.
New gnutls packages are available for Slackware 14.2 and -current to fix security issues

Summary

Here are the details from the Slackware 14.2 ChangeLog: patches/packages/gnutls-3.6.7-i586-1_slack14.2.txz: Upgraded. Fixes security issues: libgnutls, gnutls tools: Every gnutls_free() will automatically set the free'd pointer to NULL. This prevents possible use-after-free and double free issues. Use-after-free will be turned into NULL dereference. The counter-measure does not extend to applications using gnutls_free(). libgnutls: Fixed a memory corruption (double free) vulnerability in the certificate verification API. Reported by Tavis Ormandy; addressed with the change above. [GNUTLS-SA-2019-03-27, #694] libgnutls: Fixed an invalid pointer access via malformed TLS1.3 async messages; Found using tlsfuzzer. [GNUTLS-SA-2019-03-27, #704] libgnutls: enforce key usage limitations on certificates more actively. Previously we would enforce it for TLS1.2 protocol, now we enforce it even when TLS1.3 is negotiated, or on client certificates as well. When an

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Topics%20covered

Topics Covered

security advisory package update memory corruption moderate severity slackware gnutls

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (https://osuosl.org/) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you.
Updated package for Slackware 14.2:
Updated package for Slackware x86_64 14.2:
Updated package for Slackware -current:
Updated package for Slackware x86_64 -current:

MD5 Signatures

Slackware 14.2 package: 6ce564c9fb38e84bceffcca584613117 gnutls-3.6.7-i586-1_slack14.2.txz
Slackware x86_64 14.2 package: ad660f430e5873b0cf3a5ac78a9ecf68 gnutls-3.6.7-x86_64-1_slack14.2.txz
Slackware -current package: af0f6c0601209ba99d39679d1085a917 n/gnutls-3.6.7-i586-1.txz
Slackware x86_64 -current package: dd2b15db16bcfefe213c8acf012e07c6 n/gnutls-3.6.7-x86_64-1.txz

Severity
important
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory package update memory corruption moderate severity slackware gnutls

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg gnutls-3.6.7-i586-1_slack14.2.txz