Plone: Remote code execution vulnerability
The Plone Foundation has released security patches addressing a remote code execution vulnerability impacting Plone versions 6.0, 6.1, and 6.2.
Triage facts
Revision 1- Applicability
- Plone (6.0, 6.1, 6.2)
- Evidence
- Unknown
- Severity
- High
- Action
- Elevated
- Sources
- 2 public sources
- Freshness
- Revision 1Nov 11, 07:21 UTC
- Source quality
- D3Roughly even chance
The Plone and Zope Security Team has released a security hotfix to address a remote code execution (RCE) vulnerability in the Plone platform. The vulnerability affects all currently supported versions of the software, specifically versions 6.0, 6.1, and 6.2. Users are advised to apply the provided hotfix immediately to mitigate the risk of unauthorized command execution.
Recommendation
- Inventory all internal and public-facing Plone instances to identify versions 6.0, 6.1, and 6.2.
- Apply the security hotfix released by the Plone Foundation immediately as documented in the provided security advisory.
- Monitor web application logs for anomalous requests directed at the Plone instance, specifically monitoring for unusual traffic patterns that deviate from established baselines after patching.
Immediate actions
Patch all instances of Plone 6.0, 6.1, and 6.2 using the official security hotfix
Threat Hunt
Baseline and investigate unusual outbound network connections or spawned child processes from the web server service account
Data: Process creation logs (Event ID 1), Network connection logs (Event ID 3)
Mitigations
Apply the official Plone security hotfix
Remote code execution vulnerability in Plone 6.0, 6.1, 6.2