Debian update for gdk-pixbuf

Published: 2022-09-12

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-44648 CVE-2021-46829
CWE-ID	CWE-122 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Debian Linux Operating systems & Components / Operating system gdk-pixbuf (Debian package) Operating systems & Components / Operating system package or component
Vendor	Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

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 gdk-pixbuf package to version 2.42.2+dfsg-1+deb11u1.

Vulnerable software versions

Debian Linux: All versions

gdk-pixbuf (Debian package): before 2.42.2+dfsg-1+deb11u1

External links

http://www.debian.org/security/2022/dsa-5228

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.

2) Out-of-bounds write

EUVDB-ID: #VU66184