Vulnerability Details : CVE-2018-20194
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-20194
- cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20194
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20194
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-20194
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20194
-
https://www.debian.org/security/2019/dsa-4522
Debian -- Security Information -- DSA-4522-1 faad2
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https://github.com/knik0/faad2/issues/21
stack-buffer-underflow in function calculate_gain(libfaad/sbr_hfadj.c:1314) · Issue #21 · knik0/faad2 · GitHubExploit;Third Party Advisory
-
https://seclists.org/bugtraq/2019/Sep/28
Bugtraq: [SECURITY] [DSA 4522-1] faad2 security update
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https://security.gentoo.org/glsa/202006-17
FAAD2: Multiple vulnerabilities (GLSA 202006-17) — Gentoo security
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https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html
[SECURITY] [DLA 1791-1] faad2 security update
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