Vulnerability identifier: #VU42103
Vulnerability risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libreswan
Universal components / Libraries /
Libraries used by multiple products
Vendor: libreswan.org
Description
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 IKE daemon restart) via IKEv2 packets that lack expected payloads.
Mitigation
Install update from vendor's website.
Vulnerable software versions
libreswan: 3.0 - 3.6
External links
http://osvdb.org/102172
http://secunia.com/advisories/56420
http://www.securityfocus.com/bid/64987
http://exchange.xforce.ibmcloud.com/vulnerabilities/90522
http://libreswan.org/security/CVE-2013-6467/CVE-2013-6467.txt
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.