USN-7118-1: ZBar vulnerabilities

Releases

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

Packages

• zbar - bar code scanner and decoder (Perl bindings)

Details

It was discovered that ZBar did not properly handle certain QR codes. If a
user or automated system using ZBar were tricked into opening a specially
crafted file, an attacker could possibly use this to obtain sensitive
information. (CVE-2023-40889)

It was discovered that ZBar did not properly handle certain QR codes. If a
user or automated system using ZBar were tricked into opening a specially
crafted file, an attacker could possibly use this to obtain sensitive
information. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04
LTS. (CVE-2023-40890)

Update instructions

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

Ubuntu 22.04

• libzbar0 - 0.23.92-4ubuntu0.1~esm1
  Available with Ubuntu Pro

Ubuntu 20.04

• libzbar0 - 0.23-1.3ubuntu0.1~esm1
  Available with Ubuntu Pro

Ubuntu 18.04

• libzbar0 - 0.10+doc-10.1ubuntu0.1~esm1
  Available with Ubuntu Pro

Ubuntu 16.04

• libzbar0 - 0.10+doc-10ubuntu1+esm1
  Available with Ubuntu Pro

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

References

• CVE-2023-40889
• CVE-2023-40890