SUSE update for expat

Published: 2022-02-09

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-23852 CVE-2022-23990
CWE-ID	CWE-190
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise Point of Sale Operating systems & Components / Operating system SUSE Linux Enterprise Debuginfo Operating systems & Components / Operating system expat-debugsource Operating systems & Components / Operating system package or component expat-debuginfo Operating systems & Components / Operating system package or component libexpat1-32bit Operating systems & Components / Operating system package or component libexpat1 Operating systems & Components / Operating system package or component expat Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU59966

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23852

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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 2.0.1-88.42.15.1

expat-debuginfo: before 2.0.1-88.42.15.1

libexpat1-32bit: before 2.0.1-88.42.15.1

libexpat1: before 2.0.1-88.42.15.1

expat: before 2.0.1-88.42.15.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-202214884-1/

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.

2) Integer overflow

EUVDB-ID: #VU60114