#VU80856 Race condition in ansible-runner - CVE-2021-3702

Vulnerability identifier: #VU80856

Vulnerability risk: Low

CVSSv4.0: 4.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3702

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ansible-runner
Universal components / Libraries / Libraries used by multiple products

Vendor: Ansible

Description

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

The vulnerability exists due to a race condition. 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

ansible-runner: 2.0.0

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=1977965
https://access.redhat.com/security/cve/CVE-2021-3702
https://github.com/ansible/ansible-runner/pull/742/commits

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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.