Heap-based buffer over-read in ImageMagick - CVE-2018-5248
Published: May 20, 2018 / Updated: May 21, 2018
Vulnerability identifier: #VU12865
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5248
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in coders/sixel.c in the ReadSIXELImage function, related to the sixel_decode function, due to heap-based buffer over-read. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and cause the service to crash.
How to mitigate CVE-2018-5248
Install update from vendor's website.