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Ubuntu: (CVE-2023-26463): strongswan vulnerability

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Ubuntu: (CVE-2023-26463): strongswan vulnerability

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
04/15/2023
Created
11/21/2024
Added
11/19/2024
Modified
01/30/2025

Description

strongSwan 5.9.8 and 5.9.9 potentially allows remote code execution because it uses a variable named "public" for two different purposes within the same function. There is initially incorrect access control, later followed by an expired pointer dereference. One attack vector is sending an untrusted client certificate during EAP-TLS. A server is affected only if it loads plugins that implement TLS-based EAP methods (EAP-TLS, EAP-TTLS, EAP-PEAP, or EAP-TNC). This is fixed in 5.9.10.

Solution(s)

  • ubuntu-upgrade-strongswan

References

  • https://attackerkb.com/topics/cve-2023-26463
  • CVE - 2023-26463
  • https://www.cve.org/CVERecord?id=CVE-2023-26463
  • https://www.strongswan.org/blog/2023/03/02/strongswan-vulnerability-(cve-2023-26463).html
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