USN-3860-1: libcaca vulnerabilities

USN-3860-1: libcaca vulnerabilities

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.

References

• CVE-2018-20544
• CVE-2018-20545
• CVE-2018-20546
• CVE-2018-20547
• CVE-2018-20548
• CVE-2018-20549

Source: USN-3860-1: libcaca vulnerabilities