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DSA-2950-1 openssl -- security update

Severity CVSS Published Added Modified
7 (AV:N/AC:M/Au:N/C:P/I:P/A:P) June 05, 2014 June 05, 2014 July 04, 2017

Available Exploits 

Description

OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack sessions or obtain sensitive information, via a crafted TLS handshake, aka the "CCS Injection" vulnerability.

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References

Solution

debian-upgrade-openssl

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