SB2018042122 - Infinite loop in ffmpeg (Alpine package)
Published: April 21, 2018
Security Bulletin ID
SB2018042122
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Infinite loop (CVE-ID: CVE-2018-7751)
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the svg_probe function in the libavformat/img2dec.c source code file due to improper handling of XML files. A remote attacker can trick the victim into opening a specially crafted XML file, trigger infinite loop and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=d8d38dabc6e30c901eb6bd6627d8337849d7c041
- https://git.alpinelinux.org/aports/commit/?id=cf78a820406ae4481e937bc2fba252ff79c89a09
- https://git.alpinelinux.org/aports/commit/?id=859fd99d06049c009c8b745626511cd681061a99
- https://git.alpinelinux.org/aports/commit/?id=244b8239305a7fb24f4d98be5abb84bda770afe7
- https://git.alpinelinux.org/aports/commit/?id=2a92300f12bdc3ed7fc960459e6b5a37868da059
- https://git.alpinelinux.org/aports/commit/?id=67e1fa48160c4e435007390d685bdfacd84ea1f0