High severity · published Oct 9, 2019
CVE-2019-6469
An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs
7.5
CVSS
2%
EPSS
No
On KEV
Description
An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Bind · Isc
9.10.5; 9.11.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6469
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6469
Third Party Advisory
https://kb.isc.org/docs/cve-2019-6469
support.f5.com
https://support.f5.com/csp/article/K39751401?utm_source=f5support&%3Butm_medium=RSS
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