Bug 2016403 (CVE-2021-41159) - CVE-2021-41159 freerdp: improper client input validation for gateway connections allows to overwrite memory
Summary: CVE-2021-41159 freerdp: improper client input validation for gateway connecti...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-41159
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: 2016404 2016405 2016406 2017944 2017945 2017946 2017947 2017948 2017949 2017950
Blocks: 2016407
TreeView+ depends on / blocked
 
Reported: 2021-10-21 13:09 UTC by Marian Rehak
Modified: 2022-11-28 05:42 UTC (History)
4 users (show)

Fixed In Version: FreeRDP 2.4.1
Clone Of:
Environment:
Last Closed: 2022-03-10 20:01:28 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:4619 0 None None None 2021-11-11 10:19:47 UTC
Red Hat Product Errata RHSA-2021:4620 0 None None None 2021-11-11 09:50:04 UTC
Red Hat Product Errata RHSA-2021:4621 0 None None None 2021-11-11 10:03:44 UTC
Red Hat Product Errata RHSA-2021:4622 0 None None None 2021-11-11 10:02:58 UTC
Red Hat Product Errata RHSA-2021:4623 0 None None None 2021-11-11 10:11:25 UTC

Description Marian Rehak 2021-10-21 13:09:23 UTC 
The vulnerability exists due to a boundary error when processing /gt:rpc connections. A remote server can send specially crafted data to the client, trigger an out-of-bounds write and execute arbitrary code on the target system.

External Reference:

https://www.cybersecurity-help.cz/vulnerabilities/57585/
Comment 1 Marian Rehak 2021-10-21 13:09:45 UTC 
Created freerdp tracking bugs for this issue:

Affects: fedora-all [bug 2016404]


Created freerdp1.2 tracking bugs for this issue:

Affects: epel-7 [bug 2016406]
Affects: fedora-33 [bug 2016405]
Comment 2 Doran Moppert 2021-10-25 05:24:22 UTC 
Upstream patch:

https://github.com/FreeRDP/FreeRDP/pull/7366/commits/f0a0683fa6a3f696c4bc5ba88c128bc781c54895
Comment 4 errata-xmlrpc 2021-11-11 09:50:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:4620 https://access.redhat.com/errata/RHSA-2021:4620
Comment 5 errata-xmlrpc 2021-11-11 10:02:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4622 https://access.redhat.com/errata/RHSA-2021:4622
Comment 6 errata-xmlrpc 2021-11-11 10:03:42 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:4621 https://access.redhat.com/errata/RHSA-2021:4621
Comment 7 errata-xmlrpc 2021-11-11 10:11:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Extended Update Support

Via RHSA-2021:4623 https://access.redhat.com/errata/RHSA-2021:4623
Comment 8 errata-xmlrpc 2021-11-11 10:19:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:4619 https://access.redhat.com/errata/RHSA-2021:4619
Comment 10 Product Security DevOps Team 2022-03-10 20:01:26 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-2021-41159
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