#VU87167 Input validation error in FreeIPA - CVE-2024-1481

Vulnerability identifier: #VU87167

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-2024-1481

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FreeIPA
Other software / Other software solutions

Vendor: freeipa.org

Description

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

The vulnerability exists due to insufficient validation of Kerberos principal name in rpcserver before running kinit. A remote attacker can send a specially crated HTTP request to the "/sip/session/login_password" endpoint and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FreeIPA: 4.10.0 - 4.11.1

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External links
https://pagure.io/freeipa/c/404fe1018e08e546fd14c83741e00b900c1cd208
https://pagure.io/freeipa/issue/9541
https://bugzilla.redhat.com/show_bug.cgi?id=2262169
https://bugzilla.redhat.com/show_bug.cgi?id=2265129

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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.