Vulnerability identifier: #VU29023

Vulnerability risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1733

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Red Hat Ansible Engine
Universal components / Libraries / Software for developers

Vendor: Red Hat Inc.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition when running a playbook with an unprivileged become user. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Red Hat Ansible Engine: 2.7.0 - 2.9.6

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1733
http://github.com/ansible/ansible/issues/67791
http://lists.debian.org/debian-lts-announce/2020/05/msg00005.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DKPA4KC3OJSUFASUYMG66HKJE7ADNGFW/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MRRYUU5ZBLPBXCYG6CFP35D64NP2UB2S/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQVOQD4VAIXXTVQAJKTN7NUGTJFE2PCB/
http://security.gentoo.org/glsa/202006-11

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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