USN-6108-1: Jhead vulnerabilities

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• jhead - Manipulate the non-image part of Exif compliant JPEG files

Details

It was discovered that Jhead did not properly handle certain crafted images
while rotating them. An attacker could possibly use this issue to crash Jhead,
resulting in a denial of service. (CVE-2021-34055)

Kyle Brown discovered that Jhead did not properly handle certain crafted
images while regenerating the Exif thumbnail. An attacker could possibly use
this issue to execute arbitrary commands. (CVE-2022-41751)

Update instructions

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

Ubuntu 22.10

• jhead - 1:3.06.0.1-2ubuntu0.22.10.1

Ubuntu 22.04

• jhead - 1:3.06.0.1-2ubuntu0.22.04.1

Ubuntu 20.04

• jhead - 1:3.04-1ubuntu0.2

Ubuntu 18.04

• jhead - 1:3.00-8~ubuntu0.2

Ubuntu 16.04

• jhead - 1:3.00-4+deb9u1ubuntu0.1~esm2
  Available with Ubuntu Pro

Ubuntu 14.04

• jhead - 1:2.97-1+deb8u2ubuntu0.1~esm2
  Available with Ubuntu Pro

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

References

• CVE-2022-41751
• CVE-2021-34055