High severity · published Jul 5, 2016
CVE-2016-4957
ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet
7.5
CVSS
44.9%
EPSS
No
On KEV
Description
ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547.
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)44.9% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Leap · Opensuse
42.1 · source: NVD
LE
Linux Enterprise Desktop · Suse
12 · source: NVD
LE
Linux Enterprise Server · Suse
11; 11; 11; 12 · source: NVD
MP
Manager Proxy · Suse
2.1 · source: NVD
NT
Ntp · Ntp
4.2.8; 4.3.92 · source: NVD
OC
Openstack Cloud · Suse
5 · source: NVD
OP
Opensuse · Opensuse
13.2 · source: NVD
SO
Solaris · Oracle
10; 11.3 · source: NVD
SM
Suse Manager · Novell
2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4957
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4957
Issue Tracking
http://bugs.ntp.org/3046
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html
More from Suse Manager
8.1
CVE-2016-0376
The com.ibm.rmi.io.SunSerializableFactory class in IBM SDK, Java Technology Edition 6 before SR16 FP25 (6.0.16.25), 6 R1 before SR8 FP25 (6.1.8.25), 7 before SR9 FP40 (7.0.9.40),…
8.1
CVE-2016-0363
The com.ibm.CORBA.iiop.ClientDelegate class in IBM SDK, Java Technology Edition 6 before SR16 FP25 (6.0.16.25), 6 R1 before SR8 FP25 (6.1.8.25), 7 before SR9 FP40 (7.0.9.40), 7 R1…
5.9
CVE-2016-4955
ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a…
5.3
CVE-2016-4956
ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet
–
CVE-2012-0414
Cross-site scripting (XSS) vulnerability in the Spacewalk service in SUSE Manager 1.2 for SUSE Linux Enterprise (SLE) 11 SP1 allows remote attackers to inject arbitrary web script…