CVE-2015-7973

MEDIUM
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks by sniffing the network.

References

https://www.kb.cert.org/vuls/id/718152

https://security.gentoo.org/glsa/201607-15

https://bto.bluecoat.com/security-advisory/sa113

http://www.ubuntu.com/usn/USN-3096-1

http://www.securitytracker.com/id/1034782

http://www.securityfocus.com/bid/81963

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd

http://support.ntp.org/bin/view/Main/NtpBug2935

http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us

https://security.netapp.com/advisory/ntap-20171031-0001/

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc

https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf

https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11

Details

Source: MITRE

Published: 2017-01-30

Updated: 2021-04-26

Type: CWE-254

Risk Information

CVSS v2

Base Score: 5.8

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Impact Score: 4.2

Exploitability Score: 2.2

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*

cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*

Configuration 2

AND

OR

cpe:2.3:o:siemens:tim_4r-ie_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:siemens:tim_4r-ie:-:*:*:*:*:*:*:*

Configuration 3

AND

OR

cpe:2.3:o:siemens:tim_4r-ie_dnp3_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:siemens:tim_4r-ie_dnp3:-:*:*:*:*:*:*:*

Configuration 4

OR

cpe:2.3:o:freebsd:freebsd:9.3:-:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p1:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p10:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p12:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p13:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p16:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p19:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p2:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p20:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p21:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p22:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p23:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p24:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p25:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p3:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p5:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p6:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p7:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p8:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:9.3:p9:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:-:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p1:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p10:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p12:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p15:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p16:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p17:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p18:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p19:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p2:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p22:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p24:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p25:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p26:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p27:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p3:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p4:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p5:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p6:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p7:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p8:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.1:p9:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:-:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:p1:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:p10:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:p2:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:p5:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:p7:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:p8:*:*:*:*:*:*

cpe:2.3:o:freebsd:freebsd:10.2:p9:*:*:*:*:*:*

Configuration 5

OR

cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:*

Configuration 6

OR

cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

Tenable Plugins

View all (25 total)

IDNameProductFamilySeverity
135619EulerOS Virtualization 3.0.2.2 : ntp (EulerOS-SA-2020-1457)NessusHuawei Local Security Checks
critical
134499EulerOS Virtualization for ARM 64 3.0.2.0 : ntp (EulerOS-SA-2020-1210)NessusHuawei Local Security Checks
critical
132172EulerOS 2.0 SP3 : ntp (EulerOS-SA-2019-2637)NessusHuawei Local Security Checks
medium
131600EulerOS 2.0 SP2 : ntp (EulerOS-SA-2019-2446)NessusHuawei Local Security Checks
medium
130677EulerOS 2.0 SP5 : ntp (EulerOS-SA-2019-2215)NessusHuawei Local Security Checks
critical
106499pfSense < 2.3 Multiple Vulnerabilities (SA-16_01 - SA-16_02)NessusFirewalls
critical
93896Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : ntp vulnerabilities (USN-3096-1)NessusUbuntu Local Security Checks
high
93186SUSE SLES10 Security Update : ntp (SUSE-SU-2016:1912-1)NessusSuSE Local Security Checks
critical
92485GLSA-201607-15 : NTP: Multiple vulnerabilitiesNessusGentoo Local Security Checks
critical
92357AIX NTP v4 Advisory : ntp_advisory6.asc (IV83983) (IV83992)NessusAIX Local Security Checks
high
92356AIX NTP v3 Advisory : ntp_advisory6.asc (IV83984) (IV83993) (IV83994) (IV83995) (IV84269)NessusAIX Local Security Checks
high
91520AIX 5.3 TL 12 : ntp (IV84269) (deprecated)NessusAIX Local Security Checks
high
91519AIX 7.2 TL 0 : ntp (IV83995) (deprecated)NessusAIX Local Security Checks
high
91518AIX 7.1 TL 4 : ntp (IV83994) (deprecated)NessusAIX Local Security Checks
high
91517AIX 7.1 TL 3 : ntp (IV83993) (deprecated)NessusAIX Local Security Checks
high
91516AIX 6.1 TL 9 : ntp (IV83984) (deprecated)NessusAIX Local Security Checks
high
91403openSUSE Security Update : ntp (openSUSE-2016-649)NessusSuSE Local Security Checks
critical
91248SUSE SLES11 Security Update : ntp (SUSE-SU-2016:1311-1)NessusSuSE Local Security Checks
critical
91111openSUSE Security Update : ntp (openSUSE-2016-578)NessusSuSE Local Security Checks
high
90991SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2016:1247-1)NessusSuSE Local Security Checks
critical
90821SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2016:1177-1)NessusSuSE Local Security Checks
high
90820SUSE SLES11 Security Update : ntp (SUSE-SU-2016:1175-1)NessusSuSE Local Security Checks
high
88912Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : ntp (SSA:2016-054-04)NessusSlackware Local Security Checks
high
88068FreeBSD : ntp -- multiple vulnerabilities (5237f5d7-c020-11e5-b397-d050996490d0)NessusFreeBSD Local Security Checks
high
88054Network Time Protocol Daemon (ntpd) 3.x / 4.x < 4.2.8p6 Multiple VulnerabilitiesNessusMisc.
medium