CVE-2015-7849

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

Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.

References

http://support.ntp.org/bin/view/Main/NtpBug2916

http://www.securityfocus.com/bid/77276

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

https://bugzilla.redhat.com/show_bug.cgi?id=1274257

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-416

Risk Information

CVSS v2

Base Score: 6.5

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

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (11 total)

IDNameProductFamilySeverity
106497pfSense < 2.2.5 Multiple Vulnerabilities (SA-15_08)NessusFirewalls
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
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
90991SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2016:1247-1)NessusSuSE Local Security Checks
critical
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
86664Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : ntp (SSA:2015-302-03)NessusSlackware Local Security Checks
critical
86631Network Time Protocol Daemon (ntpd) 3.x / 4.x < 4.2.8p4 Multiple VulnerabilitiesNessusMisc.
critical
86519FreeBSD : ntp -- 13 low- and medium-severity vulnerabilities (c4a18a12-77fc-11e5-a687-206a8a720317)NessusFreeBSD Local Security Checks
critical