Medium severity · published Jul 6, 2016
CVE-2016-6170
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…
6.5
CVSS
40.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)40.9% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Bind · Isc
9.0 through 9.9.8; 9.10.0 through 9.10.3; 9.9.9; 9.9.9; 9.9.9; 9.9.9; +6 more · source: NVD
EL
Enterprise Linux · Redhat
5.0; 6.0; 7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6170
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6170
Mailing List
http://www.openwall.com/lists/oss-security/2016/07/06/3
Third Party Advisory
http://www.securityfocus.com/bid/91611
Third Party Advisory
http://www.securitytracker.com/id/1036241
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1353563
Exploit
https://github.com/sischkg/xfer-limit/blob/master/README.md
Vendor Advisory
https://kb.isc.org/article/AA-01390
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