A defect in code added to support QNAME minimization can cause named to exit with an assertion failure if a forwarder returns a referral rather than resolving the query. This affects BIND versions 9.14.0 up to 9.14.6, and 9.15.0 up to 9.15.4.
Published 2019-10-17 20:15:13
Updated 2019-10-24 06:15:12
View at NVD,   CVE.org

Threat overview for CVE-2019-6476

Top countries where our scanners detected CVE-2019-6476
Top open port discovered on systems with this issue 53
IPs affected by CVE-2019-6476 2,033
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-6476!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-6476

0.26%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-6476

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST
5.9
MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
2.2
3.6
Internet Systems Consortium (ISC)

CWE ids for CVE-2019-6476

  • The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-6476

Products affected by CVE-2019-6476

  • ISC » Bind
    Versions from including (>=) 9.14.0 and up to, including, (<=) 9.14.6
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
  • ISC » Bind
    Versions from including (>=) 9.15.0 and up to, including, (<=) 9.15.4
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
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