Cisco Bug: CSCsy90150 - ASA doesn't properly handle large SubjectAltName field - UPN parse fails
Nov 09, 2016
- Cisco ASA 5500-X Series Firewalls
Known Affected Releases
Symptom: Client connection with certificates fails when ASA is configured to do authorization using UPN attribute from certificate. Conditions: Client certificate SubjectAltName extemsion is >127 bytes ASA is configured for authorization-required so connection fails if authorization does not complete. ASA sees the following IKE syslog/debug Apr 03 14:29:17 [IKEv1]: Group = DefaultRAGroup, IP = 10.10.1.1 User Authorization failed: [UPN] field missing in Subject DN for user name.
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Bug Details Include
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