Cryptographic issues in FreeIPA

1) Cryptographic issues

EUVDB-ID: #VU43149

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-5484

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The client in FreeIPA 2.x and 3.x before 3.1.2 does not properly obtain the Certification Authority (CA) certificate from the server, which allows man-in-the-middle attackers to spoof a join procedure via a crafted certificate.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeIPA: 2.0.0 - 3.1.1

External links

http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=18eea90ebb24a9c22248f0b7e18646cc6e3e3e0f
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=31e41eea6c2322689826e6065ceba82551c565aa
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=91f4af7e6af53e1c6bf17ed36cb2161863eddae4
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=a1991aeac19c3fec1fdd0d184c6760c90c9f9fc9
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=a40285c5a0288669b72f9d991508d4405885bffc
http://rhn.redhat.com/errata/RHSA-2013-0188.html
http://rhn.redhat.com/errata/RHSA-2013-0189.html
http://www.freeipa.org/page/CVE-2012-5484
http://www.freeipa.org/page/Releases/3.1.2

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.