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CVE-2023-41913

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Date: December 7, 2023

strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.

Language: C

Severity Score

Related Resources (7)

https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-%28cve-2023-41913%29.html
https://github.com/strongswan/strongswan/releases
https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-(cve-2023-41913).html
https://security-tracker.debian.org/tracker/CVE-2023-41913
https://nvd.nist.gov/vuln/detail/CVE-2023-41913
https://github.com/strongswan/strongswan/commit/96d793718955820dfe5e6d8aa6127a34795ae39e
https://www.mend.io/vulnerability-database/CVE-2023-41913

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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