CVE-2018-20362
Publication date 22 December 2018
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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 because adding to windowed output is mishandled in the EIGHT_SHORT_SEQUENCE case.
From the Ubuntu Security Team
It was discovered that Freeware Advanced Audio Decoder 2 incorrectly handled implicit channel mapping reconfiguration when processing crafted AAC files. An attacker could possibly use this issue to cause a denial of service.
Status
Package | Ubuntu Release | Status |
---|---|---|
faad2 | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Vulnerable
|
|
16.04 LTS xenial |
Vulnerable
|
|
14.04 LTS trusty |
Fixed 2.7-8+deb8u3build0.14.04.1~esm1
|
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Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 · Medium |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |