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CVE-2023-38712

Date: August 24, 2023

An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.

Language: C

Severity Score

Related Resources (8)

https://libreswan.org/security/CVE-2023-38712/
https://access.redhat.com/security/cve/CVE-2023-38712
https://nvd.nist.gov/vuln/detail/CVE-2023-38712
https://security-tracker.debian.org/tracker/CVE-2023-38712
https://bugzilla.redhat.com/show_bug.cgi?id=2225369
https://github.com/libreswan/libreswan/commit/b2184520b314c4f3cbbf7f2cfd824be7f83b4929
https://github.com/libreswan/libreswan/tags
https://www.mend.io/vulnerability-database/CVE-2023-38712

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

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

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