Input validation error in Openswan - CVE-2011-3380
Published: November 17, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44511
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-3380
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.
Affected software
Openswan
Amazon Linux AMI
Amazon Linux AMI
How to mitigate CVE-2011-3380
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.