CVE-2016-7135 Plone vulnerable to filesystem information leak
Remote administrators can read arbitrary files via path traversal in Plone CMS file manager actions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7135?
CVE-2016-7135 is a medium-severity path traversal vulnerability in Plone Plone, published on 7 Mar 2017. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Directory traversal vulnerability in Plone CMS 5.x through 5.0.6 and 4.2.x through 4.3.11 allows remote administrators to read arbitrary files via a .. (dot dot) in the path parameter in a getFile action to Plone/++theme++barceloneta/@@plone.resourceeditor.filemanager-actions.
Weakness: CWE-22
Which versions are affected by CVE-2016-7135?
5 open source packages ship an affected version, including plone and Plone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
plone PyPI | From 4.2 | 4.3.12 |
plone PyPI | From 5.0 | 5.0.7, 4.3.12 |
plone PyPI | From 5.0 | 5.0.7 |
Plone PyPI | From 4.2 | 4.3.12 |
Plone PyPI | From 5.0 | 5.0.7 |
Products include Plone Plone.
How do I fix CVE-2016-7135?
Upgrade plone to a fixed version for your release line: 4.3.12 or 5.0.7.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2016-7135 being exploited?
There is no known exploitation of CVE-2016-7135 in the wild and no public exploit code.
Other vulnerabilities in Plone Plone
Sources
Also known as GHSA-m7f9-65wr-pwch, PYSEC-2017-58.