Ubuntu update for gdk-pixbuf

1) Heap-based buffer overflow

EUVDB-ID: #VU67161

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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

External links

http://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.