USN-3860-2: libcaca vulnerabilities
libcaca vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
Several security issues were fixed in libcaca.
Software Description
- libcaca – text mode graphics utilities
Details
USN-3860-1 fixed a vulnerability in libcaca. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory 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 12.04 ESM
- caca-utils – 0.99.beta17-2.1ubuntu2.1
- libcaca0 – 0.99.beta17-2.1ubuntu2.1
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.
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