Vulnerability identifier: #VU40342
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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
Fedora
Operating systems & Components /
Operating system
Vendor:
libreswan.org
Fedoraproject
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.
Mitigation
Install update from vendor's website.
Vulnerable software versions
libreswan: 3.16
Fedora: 3.16 - 24
External links
http://download.libreswan.org/CHANGES
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182050.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182130.html
http://www.securityfocus.com/bid/87295
http://libreswan.org/security/CVE-2016-3071/CVE-2016-3071.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.