SUSE update for wpa_supplicant

1) Improper authentication

EUVDB-ID: #VU86768

Risk: Medium

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

CVE-ID: CVE-2023-52160

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in the PEAP implementation. A remote attacker can bypass authentication process by sending an EAP-TLV Success packet instead of starting Phase 2.

Successful exploitation of the vulnerability requires that wpa_supplicant is configured to not verify the network's TLS certificate during Phase 1 authentication.

Mitigation

Update the affected package wpa_supplicant to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

Basesystem Module: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

SUSE Linux Enterprise Desktop 15: SP5

openSUSE Leap: 15.5

wpa_supplicant-gui-debuginfo: before 2.10-150500.3.3.1

wpa_supplicant-gui: before 2.10-150500.3.3.1

wpa_supplicant-debuginfo: before 2.10-150500.3.3.1

wpa_supplicant-debugsource: before 2.10-150500.3.3.1

wpa_supplicant: before 2.10-150500.3.3.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:
• cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20240764-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.