SUSE update for expat

1) Input validation error

EUVDB-ID: #VU60733

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-25236

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper protection against insertion of namesep characters into namespace URIs in xmlparse.c. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package expat to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 11-SP4-LTSS-EXTREME-CORE

SUSE Linux Enterprise Point of Sale: 11-SP3

SUSE Linux Enterprise Debuginfo: 11-SP3 - 11-SP4

expat-debugsource: before 2.0.1-88.42.22.1

expat-debuginfo: before 2.0.1-88.42.22.1

libexpat1-32bit: before 2.0.1-88.42.22.1

libexpat1: before 2.0.1-88.42.22.1

expat: before 2.0.1-88.42.22.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-202214934-1/

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.