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OpenSSL < 0.9.8zb / < 1.0.0n / < 1.0.1i Multiple Vulnerabilities



The remote web server is running an outdated instance of OpenSSL and thus may be missing patches for multiple vulnerabilities.


OpenSSL before 0.9.8zb, 1.0.0n, or 1.0.1i are unpatched for the following vulnerabilities:

- A memory double-free error exists related to handling DTLS packets that allows denial of service attacks. (CVE-2014-3505)

- An unspecified error exists related to handling DTLS handshake messages that allows denial of service attacks due to large amounts of memory being consumed. (CVE-2014-3506)

- A memory leak error exists related to handling specially crafted DTLS packets that allows denial of service attacks. (CVE-2014-3507)

- An error exists related to 'OBJ_obj2txt' and the pretty printing 'X509_name_*' functions which leak stack data, resulting in an information disclosure. (CVE-2014-3508)

- A null pointer dereference error exists related to handling anonymous ECDH cipher suites and crafted handshake messages that allow denial of service attacks against clients. (CVE-2014-3510)

Additionally, several vulnerabilities specific to version 1.0.1 prior to 1.0.1i have been disclosed:

- Race condition in ssl_parse_serverhello_tlsext that can cause information disclosure in applications utilizing the OpenSSL library (CVE-2014-3509)

- An SRP buffer overrun was found that can be triggered by sending invalid SRP parameters (CVE-2014-3512)

- A flaw in the OpenSSL SSL/TLS server code can cause the server to negotiate TLS 1.0, even when higher protocol versions are supported, when the ClientHello message is badly fragmented (CVE-2014-3511)


OpenSSL versions 0.9.8zb, 1.0.0n, and 1.0.1i are patched against these vulnerabilities. Apply the vendors patch, or update to these versions or later.