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OpenSSL: Ciphersuite Downgrade Attack (20101202) (Windows)
Information
Severity
Severity
Medium
Family
Family
General
CVSSv2 Base
CVSSv2 Base
4.3
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
OpenSSL is prone to a ciphersuite downgrade attack.
Insight
Insight
A flaw has been found in the OpenSSL SSL/TLS server code where an old bug workaround allows malicious clients to modify the stored session cache ciphersuite. In some cases the ciphersuite can be downgraded to a weaker one on subsequent connections.
Affected Software
Affected Software
OpenSSL 0.9.8 through 0.9.8p and 1.0.0 through 1.0.0b.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 0.9.8q, 1.0.0c or later.