SUSE update for expat

Published: 2024-04-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-52425 CVE-2024-28757
CWE-ID	CWE-400 CWE-611
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server 15 SP4 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing LTSS 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing ESPOS 15 Operating systems & Components / Operating system SUSE Linux Enterprise Desktop 15 SP4 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Micro Operating systems & Components / Operating system openSUSE Leap Micro Operating systems & Components / Operating system Basesystem Module Operating systems & Components / Operating system SUSE Linux Enterprise Micro for Rancher Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise Real Time 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system SUSE Linux Enterprise Desktop 15 Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system libexpat1-32bit-debuginfo Operating systems & Components / Operating system package or component libexpat-devel-32bit Operating systems & Components / Operating system package or component expat-32bit-debuginfo Operating systems & Components / Operating system package or component libexpat1-32bit Operating systems & Components / Operating system package or component expat-64bit-debuginfo Operating systems & Components / Operating system package or component libexpat1-64bit Operating systems & Components / Operating system package or component libexpat-devel-64bit Operating systems & Components / Operating system package or component libexpat1-64bit-debuginfo Operating systems & Components / Operating system package or component libexpat-devel Operating systems & Components / Operating system package or component expat-debuginfo Operating systems & Components / Operating system package or component expat-debugsource Operating systems & Components / Operating system package or component libexpat1-debuginfo Operating systems & Components / Operating system package or component expat Operating systems & Components / Operating system package or component libexpat1 Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU86230

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52425

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 when parsing large tokens. A remote attacker can trigger resource exhaustion 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 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise High Performance Computing LTSS 15: SP4

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4

SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise Micro: 5.3 - 5.5

openSUSE Leap Micro: 5.3 - 5.4

Basesystem Module: 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.3 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5

SUSE Linux Enterprise Server 15: SP4 - SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

SUSE Linux Enterprise Desktop 15: SP5

openSUSE Leap: 15.4 - 15.5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

libexpat1-32bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat-devel-32bit: before 2.4.4-150400.3.17.1

expat-32bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat1-32bit: before 2.4.4-150400.3.17.1

expat-64bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat1-64bit: before 2.4.4-150400.3.17.1

libexpat-devel-64bit: before 2.4.4-150400.3.17.1

libexpat1-64bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat-devel: before 2.4.4-150400.3.17.1

expat-debuginfo: before 2.4.4-150400.3.17.1

expat-debugsource: before 2.4.4-150400.3.17.1

libexpat1-debuginfo: before 2.4.4-150400.3.17.1

expat: before 2.4.4-150400.3.17.1

libexpat1: before 2.4.4-150400.3.17.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241129-1/

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) XML External Entity injection

EUVDB-ID: #VU87337

Risk: Medium

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

CVE-ID: CVE-2024-28757

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input when using external parsers via XML_ExternalEntityParserCreate. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation

Update the affected package expat to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise High Performance Computing LTSS 15: SP4

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4

SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise Micro: 5.3 - 5.5

openSUSE Leap Micro: 5.3 - 5.4

Basesystem Module: 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.3 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5

SUSE Linux Enterprise Server 15: SP4 - SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

SUSE Linux Enterprise Desktop 15: SP5

openSUSE Leap: 15.4 - 15.5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

libexpat1-32bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat-devel-32bit: before 2.4.4-150400.3.17.1

expat-32bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat1-32bit: before 2.4.4-150400.3.17.1

expat-64bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat1-64bit: before 2.4.4-150400.3.17.1

libexpat-devel-64bit: before 2.4.4-150400.3.17.1

libexpat1-64bit-debuginfo: before 2.4.4-150400.3.17.1

libexpat-devel: before 2.4.4-150400.3.17.1

expat-debuginfo: before 2.4.4-150400.3.17.1

expat-debugsource: before 2.4.4-150400.3.17.1

libexpat1-debuginfo: before 2.4.4-150400.3.17.1

expat: before 2.4.4-150400.3.17.1

libexpat1: before 2.4.4-150400.3.17.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241129-1/

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.