CVE-2015-7705

critical

Description

The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted requests.

References

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

https://www.cs.bu.edu/~goldbe/NTPattack.html

https://eprint.iacr.org/2015/1020.pdf

https://bugzilla.redhat.com/show_bug.cgi?id=1274184

http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit

http://support.ntp.org/bin/view/Main/NtpBug2901

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

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839

http://www.securityfocus.com/bid/77284

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

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

https://support.citrix.com/article/CTX220112

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

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

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

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

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html

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

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

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

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

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

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

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html

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

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

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html

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

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

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

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

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

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

https://www.arista.com/en/support/advisories-notices/security-advisories/1212-security-advisory-0016

Details

Source: MITRE

Published: 2017-08-07

Updated: 2021-11-17

Type: CWE-20

Risk Information

CVSS v2

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL