Bug 1773721 (CVE-2019-16328)

Summary:	CVE-2019-16328 python-rpyc: missing protocol security check leads remote procedure call that executes code for a RPyC service
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	mail, slavek.kabrda
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-19 00:51:14 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1773722
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2019-11-18 19:28:51 UTC

In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.

Reference:
https://rpyc.readthedocs.io/en/latest/docs/security.html

Comment 1 Guilherme de Almeida Suckevicz 2019-11-18 19:29:03 UTC

Created python-rpyc tracking bugs for this issue:

Affects: fedora-all [bug 1773722]

Comment 2 Product Security DevOps Team 2019-11-19 00:51:14 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.