High severity · published Jan 13, 2017
CVE-2016-7434
The read_mru_list function in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (crash) via a crafted mrulist query
7.5
CVSS
53.1%
EPSS
No
On KEV
Description
The read_mru_list function in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (crash) via a crafted mrulist query.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)53.1% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HP
Hpux-ntp · Hpe
b.11.31 before c.4.2.8.2.0 · source: NVD
NT
Ntp · Ntp
4.3.0 before 4.3.94; 4.2.7; 4.2.7; 4.2.7; 4.2.7; 4.2.7; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7434
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7434
Third Party Advisory
http://nwtime.org/ntp428p9_release/
Issue Tracking
http://support.ntp.org/bin/view/Main/NtpBug3082
Release Notes
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
Third Party Advisory
http://www.securityfocus.com/bid/94448
Third Party Advisory
http://www.securitytracker.com/id/1037354
Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa139
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