Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Ubuntu 18.04 LTS USN-3860-1 Critical Libcaca Denial of Service

ubuntu
Calendar Grey January 15, 2019
Dist Ubuntu Esm H88
Ubuntu addresses libcaca security flaws impacting various versions; ensure updates are applied promptly to mitigate exploit risks.
Several security issues were fixed in libcaca.

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)

Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution ubuntu libcaca confidentiality breach

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

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

References

  https://ubuntu.com/security/notices/USN-3860-1

  CVE-2018-20544, CVE-2018-20545, CVE-2018-20546, CVE-2018-20547,

  CVE-2018-20548, CVE-2018-20549

Severity
critical
Lowest
Low
Medium
High
Critical

January 15, 2019

Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution ubuntu libcaca confidentiality breach

Package Information

  https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2ubuntu0.18.10.1
  https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/libcaca/0.99.beta18-1ubuntu5.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here