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AUSCERT External Security Bulletin Redistribution
ESB-2020.0023
imagemagick security update
2 January 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: imagemagick
Publisher: Debian
Operating System: Debian GNU/Linux 8
Impact/Access: Denial of Service -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-19949 CVE-2019-19948
Original Bulletin:
https://www.debian.org/lts/security/2019/dla-2049
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running imagemagick check for an updated version of the software for
their operating system.
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Package : imagemagick
Version : 8:6.8.9.9-5+deb8u19
CVE ID : CVE-2019-19948 CVE-2019-19949
Debian Bug : 947309 947308
Multiple vulnerabilities have been found in imagemagick, an image processing
toolkit.
CVE-2019-19948
Heap-buffer-overflow in WriteSGIImage (coders/sgi.c) caused by insufficient
validation of row and column sizes. This vulnerability might be leveraged by
remote attackers to cause denial of service or any other unspecified impact
via crafted image data.
CVE-2019-19949
Heap-based buffer over-read (off-by-one) in WritePNGImage (coders/png.c)
caused by missing length check prior pointer dereference. This vulnerability
might be leveraged by remote attackers to cause denial of service via
crafted image data.
For Debian 8 "Jessie", these problems have been fixed in version
8:6.8.9.9-5+deb8u19.
We recommend that you upgrade your imagemagick 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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