Permissions, Privileges, and Access Controls in Ansible

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU42561

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-4260

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

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

lib/ansible/playbook/__init__.py in Ansible 1.2.x before 1.2.3, when playbook does not run due to an error, allows local users to overwrite arbitrary files via a symlink attack on a retry file with a predictable name in /var/tmp/ansible/.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Ansible: 1.2 - 1.2.2

CPE2.3

• cpe:2.3:a:red_hat:ansible:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ansible:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:ansible:1.2.2:*:*:*:*:*:*:*

External links

https://www.ansible.com/security
https://bugzilla.redhat.com/show_bug.cgi?id=998227
https://exchange.xforce.ibmcloud.com/vulnerabilities/86898
https://groups.google.com/forum/#!topic/ansible-project/UVDYW0HGcNg

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.