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IBM AIX: curl_advisory2 (CVE-2023-27536): Security vulnerabilities in cURL for AIX

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IBM AIX: curl_advisory2 (CVE-2023-27536): Security vulnerabilities in cURL for AIX

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/30/2023
Created
07/27/2023
Added
07/27/2023
Modified
07/27/2023

Description

An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed.

Solution(s)

  • ibm-aix-curl_advisory2

References

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