Permissions, Privileges, and Access Controls in FreeIPA

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU41602

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-0199

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The default LDAP ACIs in FreeIPA 3.0 before 3.1.2 do not restrict access to the (1) ipaNTTrustAuthIncoming and (2) ipaNTTrustAuthOutgoing attributes, which allow remote attackers to obtain the Cross-Realm Kerberos Trust key via unspecified vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeIPA: 3.0.0 - 3.1.1

External links

http://osvdb.org/89539
http://www.freeipa.org/page/CVE-2013-0199
http://www.freeipa.org/page/Releases/3.1.2
http://www.securityfocus.com/bid/57542
http://exchange.xforce.ibmcloud.com/vulnerabilities/81486

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.