Buffer overflow in strongSwan - CVE-2023-41913
Published: November 20, 2023
Vulnerability identifier: #VU83305
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-41913
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: strongswan.org
Affected software:
strongSwan
strongSwan
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the TKM-backed version of the charon IKE daemon due to a missing check for DH Public Values in charon-tkm. A remote attacker can send specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2023-41913
Install updates from vendor's website.