CVE-2020-10691: Path Traversal
First published: Wed Mar 25 2020(Updated: )
An archive traversal flaw was found in all ansible-engine versions 2.9.x prior to 2.9.7, when running `ansible-galaxy collection` install. When extracting a collection .tar.gz file, the directory is created without sanitizing the filename. An attacker could take advantage to overwrite any file within the system.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Ansible Engine | >=2.9.0<2.9.7 | |
| Redhat Ansible Tower | =3.0 | |
| redhat/ansible-engine | <2.9.7 | 2.9.7 |
| pip/ansible | >=2.9.0a1<2.9.7 | 2.9.7 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-10691
- https://github.com/ansible/ansible/pull/68596
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10691
- https://github.com/ansible/ansible/commit/b2551bb6943eec078066aa3a923e0bb3ed85abe8
- https://github.com/advisories/GHSA-3c67-gc48-983w (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1817979
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1817980
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1818683
- https://access.redhat.com/errata/RHSA-2020:1541
- https://access.redhat.com/errata/RHSA-2020:1542
- https://access.redhat.com/security/cve/cve-2020-10691
- https://bugzilla.redhat.com/show_bug.cgi?id=1817161
- https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2020-2.yaml
Frequently Asked Questions
What is CVE-2020-10691?
CVE-2020-10691 is a vulnerability in all ansible-engine versions 2.9.x prior to 2.9.7 when running `ansible-galaxy collection` install.
How does CVE-2020-10691 work?
CVE-2020-10691 allows an attacker to overwrite any file within the system by exploiting an archive traversal flaw in the directory creation process during the extraction of a collection .tar.gz file.
What is the severity of CVE-2020-10691?
CVE-2020-10691 has a severity score of 5.2, which is considered medium.
Which versions of ansible-engine are affected by CVE-2020-10691?
All ansible-engine versions 2.9.x prior to 2.9.7 are affected by CVE-2020-10691.
How can I fix CVE-2020-10691?
To fix CVE-2020-10691, upgrade to ansible-engine version 2.9.7 or later.
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