Bug 2176444 (CVE-2023-26463) - CVE-2023-26463 strongswan: Authentication bypass in certificate verification in TLS-based EAP methods
Summary: CVE-2023-26463 strongswan: Authentication bypass in certificate verification ...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2023-26463
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: 2176445 2176446
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-03-08 12:28 UTC by Pedro Sampaio
Modified: 2023-03-08 16:24 UTC (History)
0 users

Fixed In Version: strongswan 5.9.10
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Clone Of:
Environment:
Last Closed: 2023-03-08 16:24:52 UTC
Embargoed:


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Description Pedro Sampaio 2023-03-08 12:28:08 UTC
strongSwan Vulnerability (CVE-2023-26463)

A vulnerability related to certificate verification in TLS-based EAP methods was discovered in strongSwan that results in a denial of service but possibly even remote code execution. Versions 5.9.8 and 5.9.9 may be affected.

A user publicly reported a bug related certificate verification in TLS-based EAP methods that leads to an authentication bypass followed by an expired pointer dereference that results in a denial of service but possibly even remote code execution.

Fixed by 5.9.10 release:
https://www.strongswan.org/blog/2023/03/02/strongswan-5.9.10-released.html

Comment 1 Pedro Sampaio 2023-03-08 12:28:27 UTC
Created strongswan tracking bugs for this issue:

Affects: epel-all [bug 2176446]
Affects: fedora-all [bug 2176445]

Comment 2 Product Security DevOps Team 2023-03-08 16:24:50 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


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