CVE-2015-7853

critical

Description

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11

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

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

https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf

https://bugzilla.redhat.com/show_bug.cgi?id=1274262

https://bto.bluecoat.com/security-advisory/sa103

http://www.ubuntu.com/usn/USN-2783-1

http://www.talosintel.com/vulnerability-reports/

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

http://www.securityfocus.com/bid/77273

http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded

http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded

http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded

http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded

http://www.securityfocus.com/archive/1/536833/100/0/threaded

http://www.securityfocus.com/archive/1/536796/100/0/threaded

http://www.securityfocus.com/archive/1/536760/100/0/threaded

http://www.securityfocus.com/archive/1/536737/100/0/threaded

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp

http://support.ntp.org/bin/view/Main/NtpBug2920

http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html

http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Authentication-Bypass.html

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

http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.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/msg00020.html

Details

Source: Mitre, NVD

Published: 2017-08-07

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical