# CVE-2012-6661: Plone and Zope2 do not reseed pseudo-random number generator

Source: https://junglewise.ai/threats/cve-2012-6661-plone-and-zope2-do-not-reseed-pseudo-random-number-generator  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2014-11-03  
License: CC BY 4.0 with a link back

CVE-2012-6661 · Severity: low · CVSS 3.1 · Published 2014-11-03

Zope before 2.13.19, as used in Plone before 4.2.3 and 4.3 before beta 1, does not reseed the pseudo-random number generator (PRNG), which makes it easier for remote attackers to guess the value via unspecified vectors.  NOTE: this issue was SPLIT from CVE-2012-5508 due to different vulnerability types (ADT2).

Technologies: [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone), [Zope2 (PyPI)](https://junglewise.ai/threats/technologies/zope2). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2012-6661 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2012-6661 being exploited in the wild.

**How severe is CVE-2012-6661?** Low severity, with a CVSS score of 3.1, published 3 November 2014.

**Which products and versions are affected?** plone (PyPI) ECOSYSTEM:introduced=0,fixed=4.2.3,introduced=4.3a0,fixed=4.3b1, ECOSYSTEM:introduced=3.2.2,fixed=4.2.3; Zope2 (PyPI) ECOSYSTEM:introduced=0,fixed=2.13.19.

**Is there a fix for CVE-2012-6661?** Yes. plone (PyPI): upgrade to 4.2.3, 4.3b1 or later; Zope2 (PyPI): upgrade to 2.13.19 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2012-6661?** Check whether you run plone (PyPI) or Zope2 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- plone (PyPI): upgrade to 4.2.3, 4.3b1 or later

  ```sh
  pip install "plone>=4.3b1"
  ```

- Zope2 (PyPI): upgrade to 2.13.19 or later

  ```sh
  pip install "Zope2>=2.13.19"
  ```


## Affected products

- plone (PyPI) ECOSYSTEM:introduced=0,fixed=4.2.3,introduced=4.3a0,fixed=4.3b1, ECOSYSTEM:introduced=3.2.2,fixed=4.2.3
- Zope2 (PyPI) ECOSYSTEM:introduced=0,fixed=2.13.19

## Identifiers

- CVE-2012-6661
- GHSA-48vv-2pmq-9fvv
- PYSEC-2014-51
- PYSEC-2014-76

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