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

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 7.5epss 3.6%

probabilidade de exploração

3.6%top 11% das CVEs

exploração observada

nãonenhuma fonte 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

Produtos afetados

ISC · BIND9

Referências

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