USN-6313-1: FAAD2 vulnerabilities

Releases

• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• faad2 - Freeware Advanced Audio (AAC) Decoder

Details

It was discovered that FAAD2 incorrectly handled certain inputs. If a user or
an automated system were tricked into opening a specially crafted input file,
a remote attacker could possibly use this issue to execute arbitrary code.
(CVE-2021-32272, CVE-2021-32273, CVE-2021-32274, CVE-2021-32277,
CVE-2021-32278, CVE-2023-38857, CVE-2023-38858)

It was discovered that FAAD2 incorrectly handled certain inputs. If a user or
an automated system were tricked into opening a specially crafted input file,
a remote attacker could possibly use this issue to cause a denial of service.
(CVE-2021-32276)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04

• faad - 2.9.1-1ubuntu0.1
• libfaad-dev - 2.9.1-1ubuntu0.1
• libfaad2 - 2.9.1-1ubuntu0.1

Ubuntu 18.04

• faad - 2.8.8-1ubuntu0.1~esm1
  Available with Ubuntu Pro
• libfaad-dev - 2.8.8-1ubuntu0.1~esm1
  Available with Ubuntu Pro
• libfaad2 - 2.8.8-1ubuntu0.1~esm1
  Available with Ubuntu Pro

Ubuntu 16.04

• faad - 2.8.0~cvs20150510-1ubuntu0.1+esm1
  Available with Ubuntu Pro
• libfaad-dev - 2.8.0~cvs20150510-1ubuntu0.1+esm1
  Available with Ubuntu Pro
• libfaad2 - 2.8.0~cvs20150510-1ubuntu0.1+esm1
  Available with Ubuntu Pro

Ubuntu 14.04

• faad - 2.7-8+deb8u3ubuntu0.1~esm1
  Available with Ubuntu Pro
• libfaad-dev - 2.7-8+deb8u3ubuntu0.1~esm1
  Available with Ubuntu Pro
• libfaad2 - 2.7-8+deb8u3ubuntu0.1~esm1
  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

• CVE-2021-32276
• CVE-2021-32278
• CVE-2023-38857
• CVE-2021-32273
• CVE-2021-32274
• CVE-2021-32277
• CVE-2023-38858
• CVE-2021-32272