CVE-2022-2795

Processing large delegations may severely degrade resolver performance

CVSS 5.3 MEDIUMEPSS 1.4%

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.

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

Produtos afetados

ISC · BIND9

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Referências

https://kb.isc.org/docs/cve-2022-2795 https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/https://security.gentoo.org/glsa/202210-25 https://security.netapp.com/advisory/ntap-20241129-0002/https://www.debian.org/security/2022/dsa-5235 http://www.openwall.com/lists/oss-security/2022/09/21/3