SUSE update for wpa_supplicant

1) Improper authentication

EUVDB-ID: #VU86768

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52160

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

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 Server 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP4

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4

SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4

openSUSE Leap Micro: 5.3 - 5.4

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

SUSE Linux Enterprise Micro: 5.1 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP4

SUSE Linux Enterprise Server 15: SP2 - SP4

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise High Performance Computing 15: SP2 - SP4

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

wpa_supplicant-debugsource: before 2.9-150000.4.39.1

wpa_supplicant-debuginfo: before 2.9-150000.4.39.1

wpa_supplicant: before 2.9-150000.4.39.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20240819-1/

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.