Input validation error in FreeIPA

1) Input validation error

EUVDB-ID: #VU41176

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-0336

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The ipapwd_chpwop function in daemons/ipa-slapi-plugins/ipa-pwd-extop/ipa_pwd_extop.c in the directory server (dirsrv) in FreeIPA before 3.2.0 allows remote attackers to cause a denial of service (crash) via a connection request without a username/dn, related to the 389 directory server.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeIPA: 3.0.0 - 3.1.4

CPE2.3

• cpe:2.3:a:freeipa_org:freeipa:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:freeipa_org:freeipa:3.1.4:*:*:*:*:*:*:*

External links

https://secunia.com/advisories/52763
https://www.securityfocus.com/bid/58747
https://bugzilla.redhat.com/show_bug.cgi?id=913751
https://exchange.xforce.ibmcloud.com/vulnerabilities/83132
https://fedorahosted.org/freeipa/ticket/3539
https://git.fedorahosted.org/cgit/freeipa.git/commit/?id=7b45e33400355df44e75576ef7f70a39d163bf8e

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.