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IBM AIX: bind_advisory26 (CVE-2023-50387): Vulnerability in bind affects AIX

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IBM AIX: bind_advisory26 (CVE-2023-50387): Vulnerability in bind affects AIX

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/14/2024
Created
06/06/2024
Added
06/05/2024
Modified
06/06/2024

Description

Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.

Solution(s)

  • ibm-aix-bind_advisory26

References

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