Ubuntu 20.04 LTS USN-4921-1 Critical: Libcaca Code Execution Risk

ubuntu

April 20, 2021

libcaca could be made to execute arbitrary code if it received a specially crafted image.

Summary

libcaca could be made to execute arbitrary code if it received a specially crafted

image.

Software Description:

- libcaca: None

Details:

It was discovered that libcaca incorrectly handled certain images.

An attacker could possibly use this issue to execute arbitrary code.

Topics Covered

security advisory critical code execution Ubuntu ubuntu risk libcaca

Update Instructions

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

Ubuntu 20.10:
  caca-utils                      0.99.beta19-2.1ubuntu1.20.10.1
  libcaca0                        0.99.beta19-2.1ubuntu1.20.10.1

Ubuntu 20.04 LTS:
  caca-utils                      0.99.beta19-2.1ubuntu1.20.04.1
  libcaca0                        0.99.beta19-2.1ubuntu1.20.04.1

Ubuntu 18.04 LTS:
  caca-utils                      0.99.beta19-2ubuntu0.18.04.2
  libcaca0                        0.99.beta19-2ubuntu0.18.04.2

Ubuntu 16.04 LTS:
  caca-utils                      0.99.beta19-2ubuntu0.16.04.2
  libcaca0                        0.99.beta19-2ubuntu0.16.04.2

Ubuntu 14.04 ESM:
  caca-utils                      0.99.beta18-1ubuntu5.1+esm1
  libcaca0                        0.99.beta18-1ubuntu5.1+esm1

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