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[Japanese]
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JVNDB-2004-000590
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Becky! Internet Mail vulnerability in S/MIME signature verification
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Becky! Internet Mail contains the following vulnerabilities in the S/MIME signature verification:
- S/MIME signature verification does not verify the certification path.
- S/MIME signature verification does not verify the certification expiration date.
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Base Metrics:
5.0 (Medium)
[IPA Score]
- Access Vector: Network
- Access Complexity: Low
- Authentication: None
- Confidentiality Impact: None
- Integrity Impact: Partial
- Availability Impact: None
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RIMARTS
- Becky! Internet Mail Ver.1.03 and ealier
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Even if a recipient receives an email message signed with an S/MIME signature containing a certificate forging an arbitrary email address signed by a self-signed certificate, the recipient may not notice that it is a forged email.
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RIMARTS
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- JVN : JVN#7C9208F1
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[2008/05/21]
Web page published
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