Bug 1853390 (CVE-2020-9497)

Summary:	CVE-2020-9497 guacamole-server: Improper input validation of RDP static virtual channels
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	negativo17
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:	2020-07-02 19:27:39 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:	1853391, 1853392, 1853393
Bug Blocks:

Description Michael Kaplan 2020-07-02 14:36:38 UTC

Apache Guacamole 1.1.0 and older do not properly validate data
received from RDP servers via static virtual channels. If a user
connects to a malicious or compromised RDP server, specially-crafted
PDUs could result in disclosure of information within the memory of
the guacd process handling the connection.

Mitigation:
Users of versions of Apache Guacamole 1.1.0 and older that provide
access to untrusted RDP servers should upgrade to 1.2.0.

Comment 1 Michael Kaplan 2020-07-02 14:36:41 UTC

External References:

https://lists.apache.org/thread.html/r65f75d3d65d1af68141f42071ebb27dda24af3e45570e593c1dbd81f%40%3Cannounce.guacamole.apache.org%3E

Comment 2 Michael Kaplan 2020-07-02 14:37:02 UTC

Created guacamole-server tracking bugs for this issue:

Affects: epel-6 [bug 1853392]
Affects: epel-7 [bug 1853393]
Affects: fedora-all [bug 1853391]

Comment 3 Product Security DevOps Team 2020-07-02 19:27:39 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.