CVE-2013-4259: Race Condition
First published: Sun Aug 18 2013(Updated: )
`runner/connection_plugins/ssh.py` in Ansible before 1.2.3, when using `ControlPersist`, allows local users to redirect a ssh session via a symlink attack on a socket file with a predictable name in `/tmp/`.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/Ansible | <1.2.3 | 1.2.3 |
| Red Hat Ansible | <=1.2.2 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2013-4259
- https://bugzilla.redhat.com/show_bug.cgi?id=998223
- https://groups.google.com/forum/#!topic/ansible-project/UVDYW0HGcNg
- http://www.ansible.com/security
- https://groups.google.com/forum/#%21topic/ansible-project/UVDYW0HGcNg
- https://github.com/advisories/GHSA-fj24-ghp9-39v3 (Advisory)
- https://github.com/ansible/ansible/blob/devel/lib/ansible/runner/connection_plugins/ssh.py#L59
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=787788&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=787788&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=999621
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1001454
- https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2013-1.yaml
Frequently Asked Questions
What is the severity of CVE-2013-4259?
CVE-2013-4259 has a moderate severity due to the potential for local users to conduct symlink attacks.
How do I fix CVE-2013-4259?
To fix CVE-2013-4259, upgrade to Ansible version 1.2.3 or later.
What versions of Ansible are affected by CVE-2013-4259?
CVE-2013-4259 affects Ansible versions prior to 1.2.3.
What is the impact of CVE-2013-4259?
The impact of CVE-2013-4259 allows local users to redirect SSH sessions, compromising session integrity.
Is there a workaround for CVE-2013-4259?
A potential workaround for CVE-2013-4259 is to configure a different socket file location than the predictable '/tmp/'.
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