openEuler 20.03 LTS SP3 update for ntp



Published: 2022-09-23
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
Subscribe 		openEuler
Operating systems & Components / Operating system

ntp-perl
Operating systems & Components / Operating system package or component

ntp-help
Operating systems & Components / Operating system package or component

ntp-debuginfo
Operating systems & Components / Operating system package or component

ntp-debugsource
Operating systems & Components / Operating system package or component

ntp
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one low risk vulnerability.

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 - Missing release of memory after effective lifetime

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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

ntp-perl: before 4.2.8p14-6

ntp-help: before 4.2.8p14-6

ntp-debuginfo: before 4.2.8p14-6

ntp-debugsource: before 4.2.8p14-6

ntp: before 4.2.8p14-6

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1953


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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