Memory leak in ntp



Published: 2020-06-25 | Updated: 2020-06-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15025
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
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ntp
Server applications / Other server solutions

Vendor ntp.org

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

Updated: 29.06.2020

Assigned CVE-ID.

1) Memory leak

EUVDB-ID: #VU29293

Risk: Low

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

CVE-ID: CVE-2020-15025

CWE-ID: CWE-401 - Improper Release of Memory Before Removing Last Reference ('Memory Leak')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak when processing CMAC authentication. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ntp: 4.2.8p11 - 4.3.100


CPE2.3 External links

http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/NEWS

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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