Input validation error in libreswan
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-3071 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libreswan Universal components / Libraries / Libraries used by multiple products Fedora Operating systems & Components / Operating system |
| Vendor |
libreswan.org Fedoraproject |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU40342
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: CVE-2016-3071
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall update from vendor's website.
Vulnerable software versionslibreswan: 3.16
Fedora: 3.16 - 24
External linkshttp://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
Q & A
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.
