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CVE
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CVE-2016-1550Date: (C)2017-01-11   (M)2024-02-01


An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.3CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: LOWAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
SECTRACK-1035705
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd
http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded
BID-88261
DSA-3629
FEDORA-2016-5b2eb0bf9c
FEDORA-2016-ed8c6c0426
FreeBSD-SA-16:16
GLSA-201607-15
RHSA-2016:1141
RHSA-2016:1552
SUSE-SU-2016:1278
SUSE-SU-2016:1291
SUSE-SU-2016:1471
SUSE-SU-2016:1568
SUSE-SU-2016:1912
SUSE-SU-2016:2094
USN-3096-1
VU#718152
http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.talosintelligence.com/reports/TALOS-2016-0084/
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
https://security.netapp.com/advisory/ntap-20171004-0002/
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0084
openSUSE-SU-2016:1329
openSUSE-SU-2016:1423

CPE    1
cpe:/a:ntp:ntp:4.2.8:p4
CWE    1
CWE-200
OVAL    18
oval:org.secpod.oval:def:2104580
oval:org.secpod.oval:def:703298
oval:org.secpod.oval:def:110482
oval:org.secpod.oval:def:110490
...

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