Gentoo update for Gnome Shell, gettext, libcroco

1) Resource exhaustion

EUVDB-ID: #VU27951

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

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

CPE2.3

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*
• cpe:2.3:o:gentoo:sys-devel_gettext:*:*:*:*:*:gentoo_linux:*:*
• cpe:2.3:o:gentoo:gnome-base_gnome-shell:*:*:*:*:*:gentoo_linux:*:*
• cpe:2.3:o:gentoo:dev-libs_libcroco:*:*:*:*:*:gentoo_linux:*:*

External links

https://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.