'Record of Death' takes out OpenSSL servers

    Date29 Mar 2010
    Posted ByAnthony Pell
    Crafted TLS packets can crash OpenSSL servers and clients. The problem is caused by an error in the ssl3_get_record() function, which processes SSL records. Data is transferred between end points in SSL records. According to an advisory from the OpenSSL development team, incorrectly formatted records can cause a memory access error. OpenSSL versions 0.9.8f to 0.9.8m are in theory affected, however the bug depends on the C compiler used. Where 'short' is defined as a 16 bit integer (which is almost always the case) only 0.9.8m is affected. Updating to OpenSSL version 0.9.8n resolves the problem.
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