Vulnerability Description
ISC BIND through 9.9.9-P1, 9.10.x through 9.10.4-P1, and 9.11.x through 9.11.0b1 allows primary DNS servers to cause a denial of service (secondary DNS server crash) via a large AXFR response, and possibly allows IXFR servers to cause a denial of service (IXFR client crash) via a large IXFR response and allows remote authenticated users to cause a denial of service (primary DNS server crash) via a large UPDATE message.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Isc | Bind | >= 9.0, <= 9.9.8 |
| Redhat | Enterprise Linux | 5.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/07/06/3Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/91611Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036241Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1353563Issue TrackingPatchThird Party Advisory
- https://github.com/sischkg/xfer-limit/blob/master/README.mdExploitPatchThird Party Advisory
- https://kb.isc.org/article/AA-01390Vendor Advisory
- https://kb.isc.org/article/AA-01390/169/CVE-2016-6170Vendor Advisory
- https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.htmlMailing ListThird Party Advisory
- https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015073.htmlMailing ListThird Party Advisory
- https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015075.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201610-07Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/06/3Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/91611Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036241Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1353563Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2016-6170?
CVE-2016-6170 is a vulnerability with a CVSS score of 6.5 (MEDIUM). ISC BIND through 9.9.9-P1, 9.10.x through 9.10.4-P1, and 9.11.x through 9.11.0b1 allows primary DNS servers to cause a denial of service (secondary DNS server crash) via a large AXFR response, and pos...
How severe is CVE-2016-6170?
CVE-2016-6170 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6170?
Check the references section above for vendor advisories and patch information. Affected products include: Isc Bind, Redhat Enterprise Linux.