#VU29567 Race condition in Ansible and Ansible Tower


Published: 2020-07-07

Vulnerability identifier: #VU29567

Vulnerability risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10744

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Ansible
Server applications / Remote management servers, RDP, SSH
Ansible Tower
Web applications / Remote management & hosting panels

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to incomplete fix for race condition for SB2020032420 #8 (CVE-2020-1733) on systems using ACLs and FUSE filesystems. A local user can exploit the race and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ansible: 2.9.0 - 2.9.9, 2.8.0 - 2.8.12, 2.7.0 - 2.7.18

Ansible Tower: 3.0 - 3.6.4


External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10744


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.


Latest bulletins with this vulnerability