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AUSCERT External Security Bulletin Redistribution
ESB-2019.2314
USN-4039-1: CImg vulnerabilities
27 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: CImg
Publisher: Ubuntu
Operating System: Ubuntu
Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-7589 CVE-2018-7588 CVE-2018-7587
Original Bulletin:
https://usn.ubuntu.com/4039-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running CImg check for an updated version of the software for their
operating system.
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USN-4039-1: CImg vulnerabilities
26 June 2019
CImg vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.10
o Ubuntu 18.04 LTS
Summary
Several security issues were fixed in CImg.
Software Description
o cimg - C++ template image processing toolkit
Details
It was discovered that allocation failures could occur in CImg when loading
crafted bmp images. An attacker could possibly use this issue to cause a denial
of service. (CVE-2018-7587)
It was discovered that a heap-based buffer over-read existed in CImg when
loading crafted bmp images. An attacker could possibly use this issue to
execute arbitrary code. (CVE-2018-7588)
It was discovered that a double free existed in CImg when loading crafted bmp
images. An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-7589)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.10
cimg-dev - 1.7.9+dfsg-2ubuntu0.18.10.1
Ubuntu 18.04 LTS
cimg-dev - 1.7.9+dfsg-2ubuntu0.18.04.1
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-2018-7587
o CVE-2018-7588
o CVE-2018-7589
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