Bug 1944340 (CVE-2021-1799)

Summary:	CVE-2021-1799 webkitgtk: Access to restricted ports on arbitrary servers via port redirection
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	erack, gnome-sig, mcatanza, tpopela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	webkitgtk 2.30.6	Doc Type:	If docs needed, set a value
Doc Text:	A port redirection issue was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. A malicious website may be able to access restricted ports on arbitrary servers. The highest threat from this vulnerability is to data integrity.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-09 23:53:16 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:	1944341, 1946475
Bug Blocks:	1944354

Description Guilherme de Almeida Suckevicz 2021-03-29 18:44:05 UTC

A flaw was found in WebKitGTK.

Impact: A malicious website may be able to access restricted ports on arbitrary servers.
Description: A port redirection issue was addressed with additional port validation.

Reference:
https://webkitgtk.org/security/WSA-2021-0002.html

Comment 1 Guilherme de Almeida Suckevicz 2021-03-29 18:44:24 UTC

Created webkit2gtk3 tracking bugs for this issue:

Affects: fedora-all [bug 1944341]

Comment 2 Mauro Matteo Cascella 2021-04-06 08:30:17 UTC

External References:

https://webkitgtk.org/security/WSA-2021-0002.html

Comment 4 errata-xmlrpc 2021-11-09 18:31:04 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4381 https://access.redhat.com/errata/RHSA-2021:4381

Comment 5 Product Security DevOps Team 2021-11-09 23:53:14 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-1799

Comment 6 errata-xmlrpc 2025-07-07 02:27:33 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364