Reachable Assertion in libreswan - CVE-2023-23009
Published: March 1, 2023 / Updated: March 1, 2023
Vulnerability identifier: #VU72679
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-23009
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libreswan.org
Affected software:
libreswan
libreswan
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion. A remote attacker can pass a specially crafted IKEv2 TS payload with an incorrect selector length and perform a denial of service (DoS) attack.
How to mitigate CVE-2023-23009
Install updates from vendor's website.