openEuler 22.03 LTS update for GraphicsMagick

1) Out-of-bounds write

EUVDB-ID: #VU83626

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-2020-21679

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the WritePCXImage() function in pcx.c. A remote attacker can pass a specially crafted file to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS

GraphicsMagick-help: before 1.3.41-1

GraphicsMagick-c++-devel: before 1.3.41-1

GraphicsMagick-perl: before 1.3.41-1

GraphicsMagick-c++: before 1.3.41-1

GraphicsMagick-devel: before 1.3.41-1

GraphicsMagick-debuginfo: before 1.3.41-1

GraphicsMagick-debugsource: before 1.3.41-1

GraphicsMagick: before 1.3.41-1

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1818

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.