CVE-2015-7705

Home/CVE/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

CVE

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

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.

CRITICAL · CVSS 9.8 EPSS 0.1737

Act now

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 5% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-20Improper Input Validation

▤

Affected Products & Versions

ntp>= 4.2.0 and < 4.2.8
ntp>= 4.3.0 and < 4.3.77
ntpall versions
netapp oncommand performance managerall versions
netapp oncommand unified managerall versions
netapp clustered data ontapall versions
netapp data ontapall versions
citrix xenserverall versions
Show all 10 affected productssiemens tim 4r-ie firmwareall versions
siemens tim 4r-ie dnp3 firmwareall versions

⚠

Public Exploits & PoCs

pocpacketstormsecurity.com · Slackware-Security-Advisory-ntp-Updates.htmlpacketstormsecurity.com

▣

Scoring & Timeline

9.8

CRITICAL · CVSS v3.1 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD07 Aug 2017 · 08:29 PM

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

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10181-1
siemens-csafSSA-211752
siemens-csafSSA-497656
suse-csafSUSE-SU-2016:1568-1
suse-csafSUSE-SU-2016:1471-1
Show all 13 vendor advisoriessuse-csafSUSE-SU-2016:1311-1
suse-csafSUSE-SU-2016:1291-1
suse-csafSUSE-SU-2016:1278-1
suse-csafSUSE-SU-2016:1247-1
suse-csafSUSE-SU-2015:2058-1
usnUSN-2783-1
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-103-11
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-159-11

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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-security-announce/2016-05/msg00048.html

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

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

Show all 35 references

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.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://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html

http://support.ntp.org/bin/view/Main/NtpBug2901Vendor Advisory

http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_SecuritRelease NotesVendor Advisory

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

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

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

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

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

http://www.securityfocus.com/bid/77284Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1033951Third Party AdvisoryVDB Entry

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

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

https://bugzilla.redhat.com/show_bug.cgi?id=1274184Issue TrackingThird Party AdvisoryVDB Entry

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

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

https://eprint.iacr.org/2015/1020.pdfTechnical Description

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839Third Party AdvisoryVDB Entry

https://security.gentoo.org/glsa/201607-15Third Party AdvisoryVDB Entry

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

https://support.citrix.com/article/CTX220112Third Party Advisory

https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11Third Party AdvisoryUS Government Resource

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

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

https://www.cs.bu.edu/~goldbe/NTPattack.htmlNot Applicable

https://www.kb.cert.org/vuls/id/718152Third Party AdvisoryUS Government Resource

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