Gentoo update for Gnome Shell, gettext, libcroco

Published: 2022-08-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2020-12825
CWE-ID	CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Gentoo Linux Operating systems & Components / Operating system sys-devel/gettext Operating systems & Components / Operating system package or component gnome-base/gnome-shell Operating systems & Components / Operating system package or component dev-libs/libcroco Operating systems & Components / Operating system package or component
Vendor	Gentoo

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU27951

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-12825

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources caused by excessive recursion in cr_parser_parse_any_core in cr-parser.c. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages.
dev-libs/libcroco to version: 0.6.13
gnome-base/gnome-shell to version: 3.36.7
sys-devel/gettext to version: 0.21

Vulnerable software versions

Gentoo Linux: All versions

sys-devel/gettext: before 0.21

gnome-base/gnome-shell: before 3.36.7

dev-libs/libcroco: before 0.6.13

External links

http://security.gentoo.org/glsa/202208-33

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.