Denial of service in keepalived

1) Integer overflow

EUVDB-ID: #VU96580

Risk: Low

CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-41184

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to crash the application.

The vulnerability exists due to integer overflow within the vrrp_ipsets_handler handler in fglobal_parser.c. A local user can pass specially crafted arguments to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Keepalived: 2.0.0 - 2.3.1

CPE2.3

• cpe:2.3:a:keepalived:keepalived:2.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:keepalived:keepalived:2.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:keepalived:keepalived:2.2.8:*:*:*:*:*:*:*

External links

http://github.com/acassen/keepalived/issues/2447#issuecomment-2231329734

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.