CVE-2015-7849
Severity CVSS v4.0:
Pending analysis
Type:
CWE-416
Use After Free
Publication date:
07/08/2017
Last modified:
20/04/2025
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.
Impact
Base Score 3.x
8.80
Severity 3.x
HIGH
Base Score 2.0
6.50
Severity 2.0
MEDIUM
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.2.0 (including) | 4.2.8 (excluding) |
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.3.0 (including) | 4.3.77 (excluding) |
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:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- 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/
- 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/