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Ubuntu Security Notice USN-4921-1

Ubuntu Security Notice USN-4921-1
Posted Apr 21, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4921-1 - It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-3410
MD5 | e6c215d4c25161ac28a700abbf5b3728

Ubuntu Security Notice USN-4921-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4921-1
April 20, 2021

libcaca vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM

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.

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.

References:
https://ubuntu.com/security/notices/USN-4921-1
CVE-2021-3410

Package Information:
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.1ubuntu1.20.10.1
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.1ubuntu1.20.04.1
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2ubuntu0.16.04.2
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