Heap-based buffer over-read in ImageMagick - CVE-2018-9135

Vulnerability identifier: #VU12645

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-9135

CWE-ID: CWE-126

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in IsWEBPImageLossless in coders/webp.c due to heap-based buffer over-read. A remote attacker can cause the service to crash.

ImageMagick
imagemagick6 (Alpine package)

Install update from vendor's website.

imagemagick6 (Alpine package) - update to 6.9.10.37-r0

• https://github.com/ImageMagick/ImageMagick/issues/1009

• Multiple vulnerabilities in ImageMagick
• Heap-based buffer over-read in imagemagick6 (Alpine package)