SUSE update for python-Pillow

1) Incorrect Regular Expression

EUVDB-ID: #VU68608

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-23437

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

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

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Update the affected package python-Pillow to the latest version.

Vulnerable software versions

SUSE OpenStack Cloud Crowbar: 8

HPE Helion Openstack: 8

SUSE OpenStack Cloud: 8

python-Pillow-debugsource: before 4.2.1-3.20.2

python-Pillow-debuginfo: before 4.2.1-3.20.2

python-Pillow: before 4.2.1-3.20.2

CPE2.3

• cpe:2.3:o:suse:suse_openstack_cloud_crowbar:8:*:*:*:*:*:*:*
• cpe:2.3:o:suse:hpe_helion_openstack:8:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_openstack_cloud:8:*:*:*:*:*:*:*
• cpe:2.3:o:suse:python-pillow-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-pillow-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-pillow:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20213234-1/

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.