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Cisco Bug: CSCus42784 - JANUARY 2015 OpenSSL Vulnerabilities

Last Modified

Feb 01, 2017

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

7.0(3)I1(1.1)

Description (partial)

Symptom:
This product includes a version of OpenSSL that is affected by the vulnerability identified by the Common Vulnerability and Exposures (CVE) IDs:

CVE-2014-3569, CVE-2014-3570, CVE-2014-3571, CVE-2014-3572, CVE-2014-8275, CVE-2015-0204, CVE-2015-0205, CVE-2015-0206

This bug has been opened to address the potential impact on this product.

Conditions:
N9K is not vulnerable to the two DTLS issues:
    - (CVE-2014-3571) DTLS segmentation fault in dtls1_get_record 
    - (CVE-2015-0206) DTLS memory leak in dtls1_buffer_record 

N9k is vulnerable to fourCVEs:
    - (CVE-2015-0205) is from an old protocol which is not used in most (we have to see if it is used by any if at all) of existing nxos application
    - (CVE-2014-3570) is a bug with very low probability of occurring.
    - (CVE-2014-3572) and (CVE-2015-0204).

N9K is not vulnerable to  CVEs:
    - (CVE-2014-3569) ssl23_get_client_hello function does not properly handle attempts to use unsupported protocols
    - (CVE-2015-0205) DH client certificates accepted without verification [Server]
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