Vulnerability identifier: #VU26240

Vulnerability risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ntp
Server applications / Other server solutions

Vendor: ntp.org

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ntp daemon with enabled ntpdc (mode 7). A remote attacker can send short packets to the affected ntp daemon and perform a denial of service attack against the ntp server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ntp: 4.0.72 - 4.3.94

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External links
http://support.ntp.org/bin/view/Main/NtpBug3610

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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.