libcaca vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in libcaca.
Software Description
- libcaca - text mode graphics utilities
Details
It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-20544)
It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-20545, CVE-2018-20548, CVE-2018-20459)
It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information. (CVE-2018-20546, CVE-2018-20547)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- caca-utils - 0.99.beta19-2ubuntu0.18.10.1
- libcaca0 - 0.99.beta19-2ubuntu0.18.10.1
- Ubuntu 18.04 LTS
- caca-utils - 0.99.beta19-2ubuntu0.18.04.1
- libcaca0 - 0.99.beta19-2ubuntu0.18.04.1
- Ubuntu 16.04 LTS
- caca-utils - 0.99.beta19-2ubuntu0.16.04.1
- libcaca0 - 0.99.beta19-2ubuntu0.16.04.1
- Ubuntu 14.04 LTS
- caca-utils - 0.99.beta18-1ubuntu5.1
- libcaca0 - 0.99.beta18-1ubuntu5.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.