SUSE update for openssl-3

1) Resource exhaustion

EUVDB-ID: #VU73960

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-2023-0464

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 verifying X.509 certificate chains that include policy constraints. A remote attacker can create a specially crafted certificate to trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package openssl-3 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Linux Enterprise Desktop 15: SP4

Basesystem Module: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

openssl-3-doc: before 3.0.1-150400.4.20.1

libopenssl3-32bit-debuginfo: before 3.0.1-150400.4.20.1

libopenssl-3-devel-32bit: before 3.0.1-150400.4.20.1

libopenssl3-32bit: before 3.0.1-150400.4.20.1

libopenssl3-debuginfo: before 3.0.1-150400.4.20.1

openssl-3-debuginfo: before 3.0.1-150400.4.20.1

libopenssl3: before 3.0.1-150400.4.20.1

openssl-3-debugsource: before 3.0.1-150400.4.20.1

libopenssl-3-devel: before 3.0.1-150400.4.20.1

openssl-3: before 3.0.1-150400.4.20.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:a:suse:openssl-3-doc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl3-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl-3-devel-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl3-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openssl-3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openssl-3-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl-3-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openssl-3:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20231746-1/

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.