#VU95458 Untrusted search path in wpasupplicant (Ubuntu package) - CVE-2024-5290

Vulnerability identifier: #VU95458

Vulnerability risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2024-5290

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
wpasupplicant (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor: Canonical Ltd.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to usage of an untrusted search path. A local user in the netdev group or access to the dbus interface of wpa_supplicant can place a malicious binary into a specific location on the system and execute arbitrary code with escalated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

wpasupplicant (Ubuntu package): before 2:2.10-21ubuntu0.1

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External links
https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/2067613
https://ubuntu.com/security/notices/USN-6945-1

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.