Vulnerability identifier: #VU14423

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-5209

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Network Time Protocol
Server applications / Other server solutions

Vendor: ntp.org

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to an error when handling malicious input. A remote attacker can send a specially crafted GET_RESTRICT control message and gain access to internal or alternative IP addresses and other sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Network Time Protocol: 4.2.0a - 4.2.6p5

---

External links
http://blog.rapid7.com/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-m...

---

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.