Bug 21759 - gnome-shell new use-after-free security issue
Summary: gnome-shell new use-after-free security issue
Status: RESOLVED FIXED
Alias: None
Product: Mageia
Classification: Unclassified
Component: Security (show other bugs)
Version: 6
Hardware: All Linux
Priority: Normal major
Target Milestone: ---
Assignee: QA Team
QA Contact: Sec team
URL:
Whiteboard: MGA6-64-OK, MGA6-32-OK
Keywords: advisory, validated_update
Depends on:
Blocks: 21631
  Show dependency treegraph
 
Reported: 2017-09-22 21:23 CEST by David Walser
Modified: 2018-01-03 19:53 CET (History)
2 users (show)

See Also:
Source RPM: gnome-shell-3.24.2-2.mga6.src.rpm
CVE:
Status comment:


Attachments

Description David Walser 2017-09-22 21:23:54 CEST
Fedora has issued an advisory today (September 22):
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/GLVHI3G6HLYKAXVPDDOFWUMWN252ZWX6/
David Walser 2018-01-01 19:33:10 CET

Blocks: (none) => 21631

Comment 1 David Walser 2018-01-01 22:24:42 CET
Advisory:
========================

Updated gnome-shell packages fix security vulnerability:

gnome-shell through 3.24.1 mishandles extensions that fail to reload, which can
lead to leaving extensions enabled in the lock screen. With these extensions, a
bystander could launch applications (but not interact with them), see
information from the extensions (e.g., what applications you have opened or
what music you were playing), or even execute arbitrary commands. It all
depends on what extensions a user has enabled. The problem is caused by lack of
exception handling in js/ui/extensionSystem.js (CVE-2017-8288).

A use-after-free flaw was found in the way gnome-shell handled mapping and
unmapping of tray icons. A malicious or misbehaving local application could
potentially use this flaw to crash the gnome-shell process (rhbz#1492007).

The gnome-shell package has been updated to 3.24.3 and patched to fix these
issues and other bugs.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8288
https://lists.opensuse.org/opensuse-updates/2017-08/msg00101.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/GLVHI3G6HLYKAXVPDDOFWUMWN252ZWX6/
========================

Updated packages in core/updates_testing:
========================
gnome-shell-3.24.3-1.mga6
gnome-shell-docs-3.24.3-1.mga6

from gnome-shell-3.24.3-1.mga6.src.rpm

Assignee: gnome => qa-bugs

Comment 2 Thomas Backlund 2018-01-03 12:59:52 CET
Been runninf this for some days without issues

CC: (none) => tmb
Whiteboard: (none) => MGA6-64-OK

Comment 3 Thomas Backlund 2018-01-03 13:07:51 CET
Advisory added to svn

Keywords: (none) => advisory

Comment 4 Thomas Backlund 2018-01-03 19:24:21 CET
Tested 32bit in virtualbox.

validating.

Whiteboard: MGA6-64-OK => MGA6-64-OK, MGA6-32-OK
Keywords: (none) => validated_update
CC: (none) => sysadmin-bugs

Comment 5 Mageia Robot 2018-01-03 19:53:40 CET
An update for this issue has been pushed to the Mageia Updates repository.

https://advisories.mageia.org/MGASA-2018-0057.html

Status: NEW => RESOLVED
Resolution: (none) => FIXED


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