Out-of-bounds Write Affecting faad2 package, versions <2.9.0-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE313-FAAD2-1066789
- published18 Dec 2018
- disclosed18 Dec 2018
Introduced: 18 Dec 2018
CVE-2018-20194 (opens in a new tab)How to fix?
Upgrade Alpine:3.13 faad2 to version 2.9.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream faad2 package and not the faad2 package as distributed by Alpine.
See How to fix? for Alpine:3.13 relevant fixed versions and status.
There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max <= G case.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20194
- https://seclists.org/bugtraq/2019/Sep/28
- https://www.debian.org/security/2019/dsa-4522
- https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html
- https://security-tracker.debian.org/tracker/CVE-2018-20194
- https://security.gentoo.org/glsa/202006-17
- https://github.com/knik0/faad2/issues/21
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20194