SUSE update for wpa_supplicant

Published: 2022-04-19

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-23303 CVE-2022-23304
CWE-ID	CWE-327
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Micro Operating systems & Components / Operating system wpa_supplicant-debugsource Operating systems & Components / Operating system package or component wpa_supplicant-debuginfo Operating systems & Components / Operating system package or component wpa_supplicant Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU59839

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-23303

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due to the implementations of SAE are vulnerable to side-channel attacks as a result of cache access patterns. A remote attacker with ability to install and execute applications can crack weak passwords when memory access patterns are visible in a shared cache.

Note, this vulnerability exists due to incomplete fix for #VU23959 (CVE-2019-9494).

Mitigation

Update the affected package wpa_supplicant to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.2

wpa_supplicant-debugsource: before 2.9-4.33.1

wpa_supplicant-debuginfo: before 2.9-4.33.1

wpa_supplicant: before 2.9-4.33.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220716-2/

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) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU59838