USN-6768-1: GLib vulnerability

Published May 9, 2024
·
Updated

Alicia Boya García discovered that GLib incorrectly handled signal subscriptions. A local attacker could use this issue to spoof D-Bus signals resulting in a variety of impacts including possible privilege escalation.

Affected Software

16 affected componentsFixes available
All of the following
ubuntu/libglib2.0-0t64<2.80.0-6ubuntu3.1
2.80.0-6ubuntu3.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libglib2.0-bin<2.80.0-6ubuntu3.1
2.80.0-6ubuntu3.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libglib2.0-0<2.78.0-2ubuntu0.1
2.78.0-2ubuntu0.1
Ubuntu Ubuntu=23.10
All of the following
ubuntu/libglib2.0-bin<2.78.0-2ubuntu0.1
2.78.0-2ubuntu0.1
Ubuntu Ubuntu=23.10
All of the following
ubuntu/libglib2.0-0<2.72.4-0ubuntu2.3
2.72.4-0ubuntu2.3
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libglib2.0-bin<2.72.4-0ubuntu2.3
2.72.4-0ubuntu2.3
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libglib2.0-0<2.64.6-1~ubuntu20.04.7
2.64.6-1~ubuntu20.04.7
Ubuntu Ubuntu=20.04
All of the following
ubuntu/libglib2.0-bin<2.64.6-1~ubuntu20.04.7
2.64.6-1~ubuntu20.04.7
Ubuntu Ubuntu=20.04

Event History

May 9, 2024
Advisory Published
via Ubuntu·12:00 AM
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Frequently Asked Questions

1

What is the severity of USN-6768-1?

The severity of USN-6768-1 is classified as a potential privilege escalation vulnerability due to incorrect handling of signal subscriptions in GLib.

2

How do I fix USN-6768-1?

To fix USN-6768-1, update the affected packages to their remedied versions, which include libglib2.0-0t64, libglib2.0-bin, or other related packages from the appropriate Ubuntu versions.

3

What versions of Ubuntu are affected by USN-6768-1?

USN-6768-1 affects Ubuntu 20.04, 22.04, 23.10, and 24.04 with specific versions of the libglib2.0 packages.

4

What impact can USN-6768-1 have on my system?

A local attacker can exploit USN-6768-1 to spoof D-Bus signals, which may lead to unauthorized actions or privilege escalation.

5

Who discovered the vulnerability in USN-6768-1?

The vulnerability in USN-6768-1 was discovered by Alicia Boya García.

Contact

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USN-6768-1 - GLib vulnerability - SecAlerts