#VU99353 Resource exhaustion in NetworkManager - CVE-2024-6501

Vulnerability identifier: #VU99353

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6501

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NetworkManager
Server applications / Remote management servers, RDP, SSH

Vendor: Gnome Development Team

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when a system running NetworkManager with DEBUG logs enabled and an interface eth1 configured with LLDP enabled. A remote attacker can send a malformed LLDP packet to the application, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

NetworkManager: All versions

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External links
https://access.redhat.com/security/cve/CVE-2024-6501
https://bugzilla.redhat.com/show_bug.cgi?id=2295734

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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.