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Ubuntu Security Notice USN-4630-1

Ubuntu Security Notice USN-4630-1
Posted Nov 11, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4630-1 - Hanno Boeck discovered that Raptor incorrectly handled certain memory operations. If a user were tricked into opening a specially crafted document in an application linked against Raptor, an attacker could cause the application to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-18926
MD5 | fac6aed0d119d65246e14c49596e33d7

Ubuntu Security Notice USN-4630-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4630-1
November 11, 2020

raptor2 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

Summary:

raptor2 could be made to crash or run programs as your login if it opened a
specially crafted file.

Software Description:
- raptor2: RDF syntax library

Details:

Hanno Böck discovered that Raptor incorrectly handled certain memory
operations. If a user were tricked into opening a specially crafted
document in an application linked against Raptor, an attacker could
cause the application to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.10:
libraptor2-0 2.0.15-0ubuntu1.20.10.1

Ubuntu 20.04 LTS:
libraptor2-0 2.0.15-0ubuntu1.20.04.1

Ubuntu 18.04 LTS:
libraptor2-0 2.0.14-1ubuntu0.18.04.1

Ubuntu 16.04 LTS:
libraptor2-0 2.0.14-1ubuntu0.16.04.1

After a standard system update you need to restart any applications which
use Raptor, such as LibreOffice, to make all the necessary changes.

References:
https://usn.ubuntu.com/4630-1
CVE-2017-18926

Package Information:
https://launchpad.net/ubuntu/+source/raptor2/2.0.15-0ubuntu1.20.10.1
https://launchpad.net/ubuntu/+source/raptor2/2.0.15-0ubuntu1.20.04.1
https://launchpad.net/ubuntu/+source/raptor2/2.0.14-1ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/raptor2/2.0.14-1ubuntu0.16.04.1
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