| Event Source: | Microsoft Windows Security Auditing |
| Event ID: | 4873 (0x1309) |
| Event log: | Security |
| Event type: | Information |
| Event text (English): | A certificate request extension changed. Request ID: %1 Name: %2 Type: %3 Flags: %4 Data: %5 |
| Event text (German): | A certificate request extension has been modified. Request ID: %1 Name: %2 Type: %3 Flag: %4 Data: %5 |
Parameter
The parameters contained in the event text are filled with the following fields:
- %1: RequestId (win:UnicodeString)
- %2: ExtensionName (win:UnicodeString)
- %3: ExtensionDataType (win:UnicodeString)
- %4: ExtensionPolicyFlags (win:UnicodeString)
- %5: ExtensionData (win:UnicodeString)
- %6: SubjectUserSid (win:SID)
- %7: SubjectUserName (win:UnicodeString)
- %8: SubjectDomainName (win:UnicodeString)
- %9: SubjectLogonId (win:HexInt64)
In contrast to operational events, which are often understood under the term "monitoring", auditing for the certification authority is the configuration of logging of security-relevant events.
Description
No description has been written for this yet.
Safety assessment
The security assessment is based on the three dimensions of confidentiality, integrity and availability.
No description has been written for this yet.
Microsoft rating
Microsoft evaluates this event in the Securing Public Key Infrastructure (PKI) Whitepaper with a severity rating of "Medium".
The reasoning behind this is:
If this functionality is not used by the CA, it may indicate tampering with a request
Related links:
- Overview of audit events generated by the Certification Authority
- Overview of the audit events generated by the online responder (OCSP)
External sources
- Securing Public Key Infrastructure (PKI) (Microsoft)
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