SUSE update for openvpn

1) Resource exhaustion

EUVDB-ID: #VU92937

Risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-5594

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application accepts control channel messages with nonprintable characters. A remote peer can send garbage to openvpn log, or cause high CPU load.

Mitigation

Update the affected package openvpn to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

SUSE Linux Enterprise Desktop 15: SP6

openvpn: before 2.6.8-150600.3.14.1

openvpn-dco-devel: before 2.6.8-150600.3.14.1

openvpn-debugsource: before 2.6.8-150600.3.14.1

openvpn-devel: before 2.6.8-150600.3.14.1

openvpn-auth-pam-plugin: before 2.6.8-150600.3.14.1

openvpn-down-root-plugin: before 2.6.8-150600.3.14.1

openvpn-down-root-plugin-debuginfo: before 2.6.8-150600.3.14.1

openvpn-auth-pam-plugin-debuginfo: before 2.6.8-150600.3.14.1

openvpn-debuginfo: before 2.6.8-150600.3.14.1

openvpn-dco-debuginfo: before 2.6.8-150600.3.14.1

openvpn-dco-debugsource: before 2.6.8-150600.3.14.1

openvpn-dco: before 2.6.8-150600.3.14.1

CPE2.3

• cpe:2.3:o:suse:basesystem_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:openvpn:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-dco-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-auth-pam-plugin:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-down-root-plugin:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-down-root-plugin-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-auth-pam-plugin-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-dco-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-dco-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:openvpn-dco:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-20250278-1/

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.