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IBM AIX: openssl_advisory39 (CVE-2023-0464): Vulnerability in openssl affects AIX

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IBM AIX: openssl_advisory39 (CVE-2023-0464): Vulnerability in openssl affects AIX

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/22/2023
Created
09/13/2023
Added
09/12/2023
Modified
09/12/2023

Description

A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of computational resources, leading to a denial-of-service (DoS) attack on affected systems. Policy processing is disabled by default but can be enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function.

Solution(s)

  • ibm-aix-openssl_advisory39

References

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