CVE-2012-5499 Plone is vulnerable to denial of service
Remote attackers can cause denial of service via memory consumption in Plone's python_scripts.py module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-5499?
CVE-2012-5499 is a medium-severity denial of service vulnerability in Plone Plone, published on 30 Sep 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to cause a denial of service (memory consumption) via a large value, related to formatColumns.
Weakness: CWE-399
Which versions are affected by CVE-2012-5499?
5 open source packages ship an affected version, including plone and Plone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
plone PyPI | All versions | 4.2.3, 4.3b1 |
plone PyPI | From 4.0 | 4.2.3 |
plone PyPI | From 4.3a1 | 4.3b1 |
Plone PyPI | From 4.0 | 4.2.3 |
Plone PyPI | From 4.3a1 | 4.3b1 |
Products include Plone Plone.
How do I fix CVE-2012-5499?
Upgrade plone to a fixed version for your release line: 4.2.3 or 4.3b1.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2012-5499 being exploited?
There is no known exploitation of CVE-2012-5499 in the wild and no public exploit code.
Other vulnerabilities in Plone Plone
Sources
Also known as GHSA-wrf2-2rch-cmr9, PYSEC-2014-41.