Template injection in Ansible



Published: 2023-12-13
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-5764
CWE-ID CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Ansible
Server applications / Remote management servers, RDP, SSH

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Code Injection

EUVDB-ID: #VU84381

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5764

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

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation when handling templates. A remote user can remove the unsafe designation from template data and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ansible: 2.14.0 - 2.16.0b2

External links

http://access.redhat.com/security/cve/CVE-2023-5764
http://bugzilla.redhat.com/show_bug.cgi?id=2247629


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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.



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