Bug 2151758 (CVE-2022-46343) - CVE-2022-46343 xorg-x11-server: ScreenSaverSetAttributes use-after-free
Summary: CVE-2022-46343 xorg-x11-server: ScreenSaverSetAttributes use-after-free
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-46343
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2151789 2151791 2151792 2151793 2153125 2154213 2154215 2154227 2154228 2151790 2153122 2153124 2153126 2154265
Blocks: 2151201
TreeView+ depends on / blocked
 
Reported: 2022-12-08 05:08 UTC by Sandipan Roy
Modified: 2023-03-03 08:56 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in X.Org. This issue occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This flaw can lead to local privileges elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
Clone Of:
Environment:
Last Closed: 2023-01-11 11:00:37 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:0045 0 None None None 2023-01-09 14:53:13 UTC
Red Hat Product Errata RHSA-2023:0046 0 None None None 2023-01-09 14:53:40 UTC

Description Sandipan Roy 2022-12-08 05:08:33 UTC 
CVE-2022-46343/ZDI-CAN-19404: X.Org Server ScreenSaverSetAttributes
use-after-free

The handler for the ScreenSaverSetAttributes request may write to memory
after it has been freed.
Comment 2 Sandipan Roy 2022-12-08 06:35:12 UTC 
Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore Red Hat Enterprise Linux 8 and 9 have been rated with a moderate severity.
Comment 4 Sandipan Roy 2022-12-14 04:44:54 UTC 
Created xorg-x11-server tracking bugs for this issue:

Affects: fedora-36 [bug 2153122]
Affects: fedora-37 [bug 2153124]


Created xorg-x11-server-Xwayland tracking bugs for this issue:

Affects: fedora-36 [bug 2153125]
Affects: fedora-37 [bug 2153126]
Comment 5 Sandipan Roy 2022-12-16 09:59:32 UTC 
Created tigervnc tracking bugs for this issue:

Affects: fedora-36 [bug 2154213]
Affects: fedora-37 [bug 2154215]
Comment 8 errata-xmlrpc 2023-01-09 14:53:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2023:0045 https://access.redhat.com/errata/RHSA-2023:0045
Comment 9 errata-xmlrpc 2023-01-09 14:53:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2023:0046 https://access.redhat.com/errata/RHSA-2023:0046
Comment 10 Product Security DevOps Team 2023-01-11 11:00:35 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-2022-46343
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