Resource exhaustion in ntp - CVE-2016-7428

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Main Vulnerability Database Vulnerabilities #VU39823

Resource exhaustion in ntp - CVE-2016-7428

Published: January 13, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39823
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-7428
CWE-ID: CWE-400
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via the poll interval in a broadcast packet.


Affected software

ntp
Arch Linux
Virtualization Engine TS7700 3957-VEA
Virtualization Engine TS7700 3957-V06
Virtualization Engine TS7700 3957-V07
Virtualization Engine TS7700 3957-VEB
Virtualization Engine TS7700 3957-VEC

How to mitigate CVE-2016-7428

Install update from vendor's website.

Virtualization Engine TS7700 3957-VEA - update to 8.21.0.178 VTD_EXEC.103 VTD_EXEC.279
Virtualization Engine TS7700 3957-V06 - update to 8.21.0.178 VTD_EXEC.103 VTD_EXEC.279
Virtualization Engine TS7700 3957-V07 - addressed in versions 8.33.3.14 VTD_EXEC.279, 8.40.2.12 VTD_EXEC.279, 8.41.101.10 VTD_EXEC.103 VTD_EXEC.279, 8.41.200.113 VTD_EXEC.279
Virtualization Engine TS7700 3957-VEB - addressed in versions 8.33.3.14 VTD_EXEC.279, 8.40.2.12 VTD_EXEC.279, 8.41.101.10 VTD_EXEC.103 VTD_EXEC.279, 8.41.200.113 VTD_EXEC.279
Virtualization Engine TS7700 3957-VEC - addressed in versions 8.40.2.12 VTD_EXEC.279, 8.41.101.10 VTD_EXEC.103, 8.41.200.113 VTD_EXEC.279

External References

Related Security Bulletins