#VU12421 Man-in-the-middle attack in Ansible - CVE-2013-2233

Vulnerability identifier: #VU12421

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-2233

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ansible
Server applications / Remote management servers, RDP, SSH

Vendor: Red Hat Inc.

Description
The vulnerability allows a remote unauthenticated attacker to conduct man-in-the-middle attack and obtain potentially sensitive information on the target system.

The weakness exists due to a failure to cache Secure Shell (SSH) host keys. A remote attacker can conduct man-in-the-middle attack against the Ansible task execution system user and gain access to potentially sensitive information.

Mitigation
Update to version 1.2.1.

Vulnerable software versions

Ansible: 1.0, 1.1, 1.2

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External links
https://www.ansible.com/security

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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.