Vulnerability Description
Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ntp | Ntp | >= 4.2.6, < 4.2.8 |
| Debian | Debian Linux | 7.0 |
| Netapp | Oncommand Balance | - |
| Netapp | Oncommand Performance Manager | - |
| Netapp | Oncommand Unified Manager | - |
| Netapp | Clustered Data Ontap | - |
| Netapp | Data Ontap | - |
Related Weaknesses (CWE)
References
- http://support.ntp.org/bin/view/Main/NtpBug2941Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.securityfocus.com/bid/77287Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1033951Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1274265Issue TrackingThird Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-cThird Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201604-03Third Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201607-15Third Party AdvisoryVDB Entry
- https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
- http://support.ntp.org/bin/view/Main/NtpBug2941Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.securityfocus.com/bid/77287Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1033951Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1274265Issue TrackingThird Party AdvisoryVDB Entry
FAQ
What is CVE-2015-7871?
CVE-2015-7871 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.
How severe is CVE-2015-7871?
CVE-2015-7871 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2015-7871?
Check the references section above for vendor advisories and patch information. Affected products include: Ntp Ntp, Debian Debian Linux, Netapp Oncommand Balance, Netapp Oncommand Performance Manager, Netapp Oncommand Unified Manager.