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OpenSSL 'kssl_keytab_is_available()' Denial Of Service Vulnerability (Windows)
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
4.3
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
14 years ago
Modified
Modified
5 years ago
Summary
This host is installed with OpenSSL and is prone to Denial Of Service Vulnerability.
Insight
Insight
The flaw is due to error in 'kssl_keytab_is_available()' function in 'ssl/kssl.c' which does not check a certain return value when Kerberos is enabled. This allows NULL pointer dereference and daemon crash via SSL cipher negotiation.
Affected Software
Affected Software
OpenSSL version prior to 0.9.8n on Windows.
Solution
Solution
Upgrade to version 0.9.8n or later.