Information disclosure in GraphicsMagick - CVE-2017-15277
Published: October 12, 2017 / Updated: August 3, 2020
Vulnerability identifier: #VU33205
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-15277
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GraphicsMagick Group
Affected software:
GraphicsMagick
GraphicsMagick
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
ReadGIFImage in coders/gif.c in ImageMagick 7.0.6-1 and GraphicsMagick 1.3.26 leaves the palette uninitialized when processing a GIF file that has neither a global nor local palette. If the affected product is used as a library loaded into a process that operates on interesting data, this data sometimes can be leaked via the uninitialized palette.
How to mitigate CVE-2017-15277
Install update from vendor's website.
Sources
- https://github.com/ImageMagick/ImageMagick/commit/9fd10cf630832b36a588c1545d8736539b2f1fb5
- https://github.com/ImageMagick/ImageMagick/issues/592
- https://github.com/neex/gifoeb
- https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
- https://usn.ubuntu.com/3681-1/
- https://usn.ubuntu.com/4232-1/
- https://www.debian.org/security/2017/dsa-4032
- https://www.debian.org/security/2017/dsa-4040
- https://www.debian.org/security/2018/dsa-4321