Remote Code Execution Vulnerability in strongSwan by strongSwan
CVE-2023-26463

9.8CRITICAL

Key Information:

Vendor

Strongswan

Status
Strongswan
Vendor
CVE Published:
15 April 2023

What is CVE-2023-26463?

strongSwan versions 5.9.8 and 5.9.9 are subject to a vulnerability that poses a risk of remote code execution. This issue arises due to the reuse of a variable named 'public' for different purposes within a single function, leading to incorrect access control followed by an expired pointer dereference. The vulnerability can be exploited when an untrusted client certificate is sent during EAP-TLS authentication. Affected servers are those that load plugins implementing various TLS-based EAP methods. The issue has been addressed in strongSwan version 5.9.10.

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References

https://github.com/strongswan/strongswan/releases
https://www.strongswan.org/blog/2023/03/02/strongswan-vul...
https://security.netapp.com/advisory/ntap-20230517-0010/

EPSS Score

10% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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