Code Injection in Ansible

1) Code Injection

EUVDB-ID: #VU30359

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-4678

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in crafted instructions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-4657. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 1.6.4.

Vulnerable software versions

Ansible: 1.6.0 - 1.6.3

External links

http://github.com/ansible/ansible/commit/5429b85b9f6c2e640074176f36ff05fd5e4d1916
http://groups.google.com/forum/message/raw?msg=ansible-announce/ieV1vZvcTXU/5Q93ThkY9rIJ
http://security-tracker.debian.org/tracker/CVE-2014-4678
http://www.openwall.com/lists/oss-security/2014/06/26/30
http://www.openwall.com/lists/oss-security/2014/07/02/2
http://www.rapid7.com/db/vulnerabilities/freebsd-vid-2c493ac8-205e-11e5-a4a5-002590263bf5
http://www.rapid7.com/db/vulnerabilities/gentoo-linux-cve-2014-4678

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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