CVE-2015-7705: Input Validation
First published: Thu Oct 22 2015(Updated: )
A flaw was found in the way NTP handled rate limiting. An attacker able to send a large number of crafted requests to an NTP server could trigger the rate limiting on that server, and prevent clients from getting a usable reply from the server. The default NTP configuration in Red Hat Enterprise Linux does not enable rate limiting. External References: <a href="https://www.cs.bu.edu/~goldbe/NTPattack.html">https://www.cs.bu.edu/~goldbe/NTPattack.html</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ntp | <4.2.8 | 4.2.8 |
| NTP ntp | >=4.2.0<4.2.8 | |
| NTP ntp | >=4.3.0<4.3.77 | |
| NTP ntp | =4.2.8 | |
| NTP ntp | =4.2.8-p1 | |
| NTP ntp | =4.2.8-p1-beta1 | |
| NTP ntp | =4.2.8-p1-beta2 | |
| NTP ntp | =4.2.8-p1-beta3 | |
| NTP ntp | =4.2.8-p1-beta4 | |
| NTP ntp | =4.2.8-p1-beta5 | |
| NTP ntp | =4.2.8-p1-rc1 | |
| NTP ntp | =4.2.8-p1-rc2 | |
| NTP ntp | =4.2.8-p2 | |
| NTP ntp | =4.2.8-p2-rc1 | |
| NTP ntp | =4.2.8-p2-rc2 | |
| NTP ntp | =4.2.8-p2-rc3 | |
| NTP ntp | =4.2.8-p3 | |
| NTP ntp | =4.2.8-p3-rc1 | |
| NTP ntp | =4.2.8-p3-rc2 | |
| NTP ntp | =4.2.8-p3-rc3 | |
| Netapp Oncommand Performance Manager | ||
| Netapp Oncommand Unified Manager Clustered Data Ontap | ||
| NetApp Clustered Data ONTAP | ||
| Netapp Data Ontap 7-mode | ||
| Citrix XenServer | =6.0.2 | |
| Citrix XenServer | =6.2.0 | |
| Citrix XenServer | =6.5 | |
| Citrix XenServer | =7.0 | |
| Siemens Tim 4r-ie Firmware | ||
| Siemens Tim 4r-ie | ||
| Siemens Tim 4r-ie Dnp3 Firmware | ||
| Siemens Tim 4r-ie Dnp3 | ||
| Siemens SIMATIC NET CP 443-1 OPC UA | ||
| Siemens TIM 4R-IE (incl. SIPLUS NET variants) | ||
| Siemens TIM 4R-IE DNP3 (incl. SIPLUS NET variants) |
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Reference Links
- https://www.cs.bu.edu/~goldbe/NTPattack.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1296166
- https://bugzilla.redhat.com/show_bug.cgi?id=1274184
- 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
- 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://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
- http://support.ntp.org/bin/view/Main/NtpBug2901
- http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit
- 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/77284
- http://www.securitytracker.com/id/1033951
- http://www.ubuntu.com/usn/USN-2783-1
- https://bto.bluecoat.com/security-advisory/sa103
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://eprint.iacr.org/2015/1020.pdf
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0001/
- https://support.citrix.com/article/CTX220112
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- 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.kb.cert.org/vuls/id/718152
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-159-11 (Advisory)
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-103-11 (Advisory)
- agent/type
- agent/first-publish-date
- agent/weakness
- agent/author
- agent/description
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/severity
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/references
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2015-7705
- agent/tags
- agent/event
- vendor/ntp
- canonical/ntp ntp
- version/ntp ntp/4.2.0
- version/ntp ntp/4.3.0
- version/ntp ntp/4.2.8
- version/ntp ntp/4.2.8-p1
- version/ntp ntp/4.2.8-p1-beta1
- version/ntp ntp/4.2.8-p1-beta2
- version/ntp ntp/4.2.8-p1-beta3
- version/ntp ntp/4.2.8-p1-beta4
- version/ntp ntp/4.2.8-p1-beta5
- version/ntp ntp/4.2.8-p1-rc1
- version/ntp ntp/4.2.8-p1-rc2
- version/ntp ntp/4.2.8-p2
- version/ntp ntp/4.2.8-p2-rc1
- version/ntp ntp/4.2.8-p2-rc2
- version/ntp ntp/4.2.8-p2-rc3
- version/ntp ntp/4.2.8-p3
- version/ntp ntp/4.2.8-p3-rc1
- version/ntp ntp/4.2.8-p3-rc2
- version/ntp ntp/4.2.8-p3-rc3
- vendor/netapp
- canonical/netapp oncommand performance manager
- canonical/netapp oncommand unified manager clustered data ontap
- canonical/netapp clustered data ontap
- canonical/netapp data ontap 7-mode
- vendor/citrix
- canonical/citrix xenserver
- version/citrix xenserver/6.0.2
- version/citrix xenserver/6.2.0
- version/citrix xenserver/6.5
- version/citrix xenserver/7.0
- vendor/siemens
- canonical/siemens tim 4r-ie firmware
- canonical/siemens tim 4r-ie
- canonical/siemens tim 4r-ie dnp3 firmware
- canonical/siemens tim 4r-ie dnp3
- canonical/siemens simatic net cp 443-1 opc ua
- canonical/siemens tim 4r-ie (incl. siplus net variants)
- canonical/siemens tim 4r-ie dnp3 (incl. siplus net variants)
- package-manager/redhat