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GHSA-9m4g-f42q-vrrh CVE-2012-5487 PYSEC-2014-29

Plone Sandbox Bypass

Critical PyPI
Severity
0.0 / 10
Critical · CVSS 4.0
Exploit chance (EPSS)
1.71%
Chance of exploitation in the next 30 days. Higher than 77.36% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
CWE-693 Protection Mechanism Failure
Fix
4.2.3
Upgrade plone to this version or later

Description

The sandbox whitelisting function (allowmodule.py) in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with certain privileges to bypass the Python sandbox restriction and execute arbitrary Python code via vectors related to importing.

Affected versions

PyPI

PackageVulnerableFixed in
plone
< 4.2.3
4.2.3
plone
>= 4.3a0, < 4.3b1
4.3b1
plone
< 4.2.3
>= 4.3a0, < 4.3b1
4.2.3
4.3b1

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

plone PyPI → 4.2.3

pip
pip install --upgrade "plone>=4.2.3"
poetry
poetry add "plone>=4.2.3"
uv
uv add "plone>=4.2.3"

Severity breakdown

CVSS 4.0 0.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H

Attack vector
Network
Attack complexity
Low
Attack requirements
None
Privileges required
Low
User interaction
None
Confidentiality (vulnerable system)
None
Integrity (vulnerable system)
None
Availability (vulnerable system)
None
Confidentiality (subsequent systems)
High
Integrity (subsequent systems)
High
Availability (subsequent systems)
High

CVSS 3.1 9.9

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Weakness

CWE-693: Protection Mechanism Failure

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
AdvisorySeverityWhy it's related
GHSA-xg5p-8wg5-rhxm
Phone information disclosure vulnerability
High Also affects plone
GHSA-5xfx-55x4-j223
Cross-Frame Scripting vulnerability has been found on Plone CMS
High Also affects plone
GHSA-47p5-p3jw-w78w
Server-Side Request Forgery in Plone CMS
High Also affects plone
GHSA-cvwc-g7fw-7xrj
Plone XSS Vulnerability
Medium Also affects plone
GHSA-pwgm-jvqv-6v8p
Plone anonymous access to sub-objects in CMFEditions where KwAsAttributes classes were publishable
High Also affects plone
GHSA-46f9-f8jm-mw2x
Plone Cross-site Scripting vulnerability in the LiveSearch module
Medium Also affects plone
GHSA-hjp5-hv33-q58g
Plone credentials stored in session cookie
Medium Also affects plone
GHSA-593c-j348-f3gv
Plone Improper Session Management
High Also affects plone
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