Bug 1944859 (CVE-2021-1788)

Summary:	CVE-2021-1788 webkitgtk: Use-after-free leading to arbitrary code execution
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 2.32.0	Doc Type:	If docs needed, set a value
Doc Text:	A use-after-free issue was found in WebKitGTK and WPE WebKit in versions prior to 2.32.0. Processing maliciously crafted web content may lead to arbitrary code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-09 23:54:35 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:	1944860, 1946485, 1946486
Bug Blocks:	1944354

Description Guilherme de Almeida Suckevicz 2021-03-30 20:02:16 UTC

A flaw was found in WebKitGTK.

Impact: Processing maliciously crafted web content may lead to arbitrary code execution.
Description: A use after free issue was addressed with improved memory management.

Reference:
https://webkitgtk.org/security/WSA-2021-0003.html

Comment 1 Guilherme de Almeida Suckevicz 2021-03-30 20:03:11 UTC

Created webkit2gtk3 tracking bugs for this issue:

Affects: fedora-all [bug 1944860]

Comment 2 Mauro Matteo Cascella 2021-04-06 08:42:01 UTC

External References:

https://webkitgtk.org/security/WSA-2021-0003.html

Comment 4 errata-xmlrpc 2021-11-09 18:31:15 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 23:54:33 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-2021-1788