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AUSCERT External Security Bulletin Redistribution
ESB-2019.4354
mesa security update
18 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: mesa
Publisher: Debian
Operating System: Debian GNU/Linux 8
Linux variants
Windows
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-5068
Original Bulletin:
https://security-tracker.debian.org/tracker/DLA-1993-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running mesa check for an updated version of the software for their
operating system.
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Package : mesa
Version : 10.3.2-1+deb8u2
CVE ID : CVE-2019-5068
Debian Bug : 944298
Tim Brown discovered a shared memory permissions vulnerability in the
Mesa 3D graphics library. Some Mesa X11 drivers use shared-memory
XImages to implement back buffers for improved performance, but Mesa
creates shared memory regions with permission mode 0777. An attacker
can access the shared memory without any specific permissions.
For Debian 8 "Jessie", this problem has been fixed in version
10.3.2-1+deb8u2.
We recommend that you upgrade your mesa packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
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Internet Email: auscert@auscert.org.au
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