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Cisco Bug: CSCte54055 - ASA generate incorrect negative SN for CTL in non-secure mode

Last Modified

Dec 12, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

8.2(1.4)

Description (partial)

Symptom:
During our test with RT-Lite phone, which uses HandyIron security library, we find that RT-Lite phone could not establish TLS link with ASA, due to a server certificate issue. The serial number in ASA generated CTL is negative, which makes HandyIron failed to verify server's certificate.

Conditions:
RT-Lite phone establishes TLS link with ASA in non-secure mode.
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