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OpenSSL Denial of Service Vulnerability (20150611 - 1) - Linux
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
OpenSSL is prone to a denial of service (DoS) vulnerability.
Insight
Insight
When processing an ECParameters structure OpenSSL enters an infinite loop if the curve specified is over a specially malformed binary polynomial field. This can be used to perform denial of service against any system which processes public keys, certificate requests or certificates. This includes TLS clients and TLS servers with client authentication enabled.
Affected Software
Affected Software
OpenSSL version 0.9.8 through 0.9.8r, 1.0.0 through 1.0.0d, 1.0.1 through 1.0.1m and 1.0.2 through 1.0.2a.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 0.9.8s, 1.0.0e, 1.0.1n, 1.0.2b or later.