CVE-2021-25218high

A too-strict assertion check could be triggered when responses in BIND 9.16.19 and 9.17.16 require UDP fragmentation if RRL is in use

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 7.5epss 3.6%

probabilidad de explotación

3.6%top 11% de las CVE

explotación observada

noninguna fuente lo reporta

In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Productos afectados

ISC · BIND9

Referencias

https://kb.isc.org/v1/docs/cve-2021-25218 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPJCLGSR4BTGFLBLGIE5TEQP2SNJKGVL/https://security.netapp.com/advisory/ntap-20210909-0002/http://www.openwall.com/lists/oss-security/2021/08/18/3 http://www.openwall.com/lists/oss-security/2021/08/20/2