Ubuntu update for gdk-pixbuf

1) Heap-based buffer overflow

EUVDB-ID: #VU67161

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-44648

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when decoding the lzw compressed stream of image data in GIF files. A remote attacker can trick the victim to open a specially crafted GIF file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package gdk-pixbuf to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

libgdk-pixbuf2.0-0 (Ubuntu package): before 2.40.0+dfsg-3ubuntu0.4

libgdk-pixbuf-2.0-0 (Ubuntu package): before 2.42.8+dfsg-1ubuntu0.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:libgdk-pixbuf2.0-0_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libgdk-pixbuf-2.0-0_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5607-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.