Path traversal in Red Hat Ansible Engine - CVE-2020-1737

 

Path traversal in Red Hat Ansible Engine - CVE-2020-1737

Published: June 15, 2020


Vulnerability identifier: #VU29026
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1737
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the "Extract-Zip" function from the "win_unzip" module. A local user can send a specially crafted HTTP request and read arbitrary files on the system.


Affected software

Red Hat Ansible Engine
Gentoo Linux
Fedora
openEuler
ansible (Alpine package)
ansible-help
ansible
ansible (Red Hat package)
Ansible

How to mitigate CVE-2020-1737

Install update from vendor's website.

Red Hat Ansible Engine - addressed in versions 2.7.17, 2.8.11, 2.9.7
ansible (Alpine package) - update to 2.7.17-r0
ansible-help - addressed in versions 2.5.5-2, 2.5.5-6
ansible - addressed in versions 2.5.5-2, 2.5.5-6
Ansible - addressed in versions 2.7.17-1.el7ae, 2.8.11-1.el7ae, 2.8.11-1.el8ae, 2.9.7-1.el7ae, 2.9.7-1.el8ae
ansible - addressed in versions 2.9.6-1.el7, 2.9.6-1.el8, 2.9.6-1.fc30, 2.9.6-1.fc31, 2.9.6-1.fc32, 2.9.7-1.el8
ansible (Red Hat package) - addressed in versions 2.9.7-1.el7ae, 2.9.7-1.el8ae

External References

Related Security Bulletins