CVE-2015-7691

HIGH
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

The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.

References

http://rhn.redhat.com/errata/RHSA-2016-0780.html

http://rhn.redhat.com/errata/RHSA-2016-2583.html

http://support.ntp.org/bin/view/Main/NtpBug2899

http://www.debian.org/security/2015/dsa-3388

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

http://www.securityfocus.com/bid/77274

http://www.securitytracker.com/id/1033951

https://bugzilla.redhat.com/show_bug.cgi?id=1274254

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

https://security.netapp.com/advisory/ntap-20171004-0001/

Details

Source: MITRE

Published: 2017-08-07

Updated: 2020-06-18

Type: CWE-20

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

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:*:*:*:*:*:*:*:*

Configuration 2

OR

cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*

Configuration 3

OR

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 4

OR

cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:*

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

cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*

cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:*

Configuration 5

OR

cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Tenable Plugins

View all (37 total)

IDNameProductFamilySeverity
125009EulerOS Virtualization 3.0.1.0 : ntp (EulerOS-SA-2019-1556)NessusHuawei Local Security Checks
critical
106497pfSense < 2.2.5 Multiple Vulnerabilities (SA-15_08)NessusFirewalls
high
102322AIX NTP v4 Advisory : ntp_advisory4.asc (IV79954) (IV79954)NessusAIX Local Security Checks
high
102321AIX NTP v3 Advisory : ntp_advisory4.asc (IV79942) (IV79943) (IV79944) (IV79945) (IV79946)NessusAIX Local Security Checks
high
99822EulerOS 2.0 SP1 : ntp (EulerOS-SA-2016-1060)NessusHuawei Local Security Checks
high
95850Scientific Linux Security Update : ntp on SL7.x x86_64 (20161103)NessusScientific Linux Local Security Checks
high
95330CentOS 7 : ntp (CESA-2016:2583)NessusCentOS Local Security Checks
high
94705Oracle Linux 7 : ntp (ELSA-2016-2583)NessusOracle Linux Local Security Checks
high
94546RHEL 7 : ntp (RHSA-2016:2583)NessusRed Hat 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
91539Scientific Linux Security Update : ntp on SL6.x i386/x86_64 (20160510)NessusScientific Linux Local Security Checks
high
91419OracleVM 3.3 / 3.4 : ntp (OVMSA-2016-0082)NessusOracleVM 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
91169CentOS 6 : ntp (CESA-2016:0780)NessusCentOS Local Security Checks
high
91151Oracle Linux 6 : ntp (ELSA-2016-0780)NessusOracle Linux Local Security Checks
high
91076RHEL 6 : ntp (RHSA-2016:0780)NessusRed Hat Local Security Checks
high
90991SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2016:1247-1)NessusSuSE Local Security Checks
critical
89510Fedora 22 : ntp-4.2.6p5-36.fc22 (2016-34bc10a2c8)NessusFedora Local Security Checks
critical
89461Fedora 23 : ntp-4.2.6p5-34.fc23 (2015-f5f5ec7b6b)NessusFedora Local Security Checks
critical
89288Fedora 21 : ntp-4.2.6p5-34.fc21 (2015-77bfbc1bcd)NessusFedora Local Security Checks
critical
88059AIX 5.3 TL 12 : ntp (IV79946) (deprecated)NessusAIX Local Security Checks
medium
88058AIX 7.2 TL 0 : ntp (IV79945) (deprecated)NessusAIX Local Security Checks
medium
88057AIX 7.1 TL 4 : ntp (IV79944) (deprecated)NessusAIX Local Security Checks
medium
88056AIX 7.1 TL 3 : ntp (IV79943) (deprecated)NessusAIX Local Security Checks
high
88055AIX 6.1 TL 9 : ntp (IV79942) (deprecated)NessusAIX Local Security Checks
medium
87010SUSE SLED11 / SLES11 Security Update : ntp (SUSE-SU-2015:2058-1)NessusSuSE Local Security Checks
critical
86964openSUSE Security Update : ntp (openSUSE-2015-767)NessusSuSE Local Security Checks
critical
86773F5 Networks BIG-IP : NTP vulnerabilities (K17530)NessusF5 Networks Local Security Checks
high
86682Debian DSA-3388-1 : ntp - security updateNessusDebian Local Security Checks
critical
86664Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : ntp (SSA:2015-302-03)NessusSlackware Local Security Checks
critical
86640Debian DLA-335-1 : ntp security updateNessusDebian Local Security Checks
critical
86638Amazon Linux AMI : ntp (ALAS-2015-607)NessusAmazon Linux Local Security Checks
critical
86631Network Time Protocol Daemon (ntpd) 3.x / 4.x < 4.2.8p4 Multiple VulnerabilitiesNessusMisc.
critical
86630Ubuntu 12.04 LTS / 14.04 LTS / 15.04 / 15.10 : ntp vulnerabilities (USN-2783-1)NessusUbuntu Local Security Checks
critical
86519FreeBSD : ntp -- 13 low- and medium-severity vulnerabilities (c4a18a12-77fc-11e5-a687-206a8a720317)NessusFreeBSD Local Security Checks
critical