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AUSCERT External Security Bulletin Redistribution
ESB-2019.3182
USN-4107-1: GIFLIB vulnerabilities
21 August 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: GIFLIB
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-15133 CVE-2018-11490 CVE-2016-3977
Original Bulletin:
https://usn.ubuntu.com/4107-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running GIFLIB check for an updated version of the software for
their operating system.
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USN-4107-1: GIFLIB vulnerabilities
20 August 2019
giflib vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in GIFLIB.
Software Description
o giflib - library for GIF images (utilities)
Details
It was discovered that GIFLIB incorrectly handled certain GIF files. An
attacker could possibly use this issue to cause a denial of service. This issue
only affected Ubuntu 18.04 LTS. (CVE-2016-3977)
It was discovered that GIFLIB incorrectly handled certain GIF files. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2018-11490, CVE-2019-15133)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
giflib-tools - 5.1.4-3ubuntu0.1
libgif7 - 5.1.4-3ubuntu0.1
Ubuntu 18.04 LTS
giflib-tools - 5.1.4-2ubuntu0.1
libgif7 - 5.1.4-2ubuntu0.1
Ubuntu 16.04 LTS
giflib-tools - 5.1.4-0.3~16.04.1
libgif7 - 5.1.4-0.3~16.04.1
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2016-3977
o CVE-2018-11490
o CVE-2019-15133
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