Infinite loop in Libextractor - CVE-2018-14347
Published: October 14, 2018
Vulnerability identifier: #VU15355
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-14347
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Libextractor
Libextractor
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in EXTRACTOR_mpeg_extract_method function in mpeg_extractor.c. A remote attacker use a specially crafted archive file to consume all available system resources and cause denial of service conditions.
How to mitigate CVE-2018-14347
Install update from vendor's website.
Sources
- http://lists.gnu.org/archive/html/bug-libextractor/2018-07/msg00000.html
- https://gnunet.org/bugs/view.php?id=5399
- https://gnunet.org/git/libextractor.git/commit/?id=f033468cd36e2b8bf92d747fbd683b2ace8da394
- https://lists.debian.org/debian-lts-announce/2018/08/msg00025.html
- https://www.debian.org/security/2018/dsa-4290