CVE-2019-6471
5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ISC | BIND 9 | BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1. | affected |
Weaknesses
- An attacker who can cause a resolver to perform queries which will be answered by a server which responds with deliberately malformed answers can cause named to exit, denying service to clients.
ADP Enrichment
CVE Program Container
Additional References
- https://kb.isc.org/docs/cve-2019-6471
- https://support.f5.com/csp/article/K10092301?utm_source=f5support&%3Butm_medium=RSS
References
- https://kb.isc.org/docs/cve-2019-6471
- https://support.f5.com/csp/article/K10092301?utm_source=f5support&%3Butm_medium=RSS
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