Vulnerability Details : CVE-2018-20199
Potential exploit
A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service because adding to windowed output is mishandled in the ONLY_LONG_SEQUENCE case.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-20199
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20199
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20199
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-20199
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20199
-
https://github.com/knik0/faad2/issues/24
Null pointer dereference vulnerability in ifilter_bank(libfaad/filtbank.c:223) · Issue #24 · knik0/faad2 · GitHubExploit;Third Party Advisory
-
https://www.debian.org/security/2022/dsa-5109
Debian -- Security Information -- DSA-5109-1 faad2Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html
[SECURITY] [DLA 2792-1] faad2 security updateMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202006-17
FAAD2: Multiple vulnerabilities (GLSA 202006-17) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html
[SECURITY] [DLA 1899-1] faad2 security updateMailing List;Third Party Advisory
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