Description
Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension.
Metrics
CVSS 2.0 7.5/10
AV:N/AC:L/Au:N/C:P/I:P/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://securityreason.com/securityalert/3978
- http://www.securityfocus.com/archive/1/493947/100/0/threaded
- http://www.securityfocus.com/archive/1/494101/100/0/threaded
- http://www.securityfocus.com/bid/28548
- http://www.securitytracker.com/id?1019736
- http://www.securitytracker.com/id?1019737
- http://www.securitytracker.com/id?1019738
- https://www.cynops.de/advisories/AKLINK-SA-2008-002.txt
- https://www.cynops.de/advisories/AKLINK-SA-2008-003.txt
- https://www.cynops.de/advisories/AKLINK-SA-2008-004.txt
- https://www.cynops.de/techzone/http_over_x509.html
- https://www.klink.name/security/aklink-sa-2008-002-outlook-smime.txt
- https://www.klink.name/security/aklink-sa-2008-003-live-mail-smime.txt
- https://www.klink.name/security/aklink-sa-2008-004-office2007-signatures.txt
- http://securityreason.com/securityalert/3978
- http://www.securityfocus.com/archive/1/493947/100/0/threaded
- http://www.securityfocus.com/archive/1/494101/100/0/threaded
- http://www.securityfocus.com/bid/28548
- http://www.securitytracker.com/id?1019736
- http://www.securitytracker.com/id?1019737
- http://www.securitytracker.com/id?1019738
- https://www.cynops.de/advisories/AKLINK-SA-2008-002.txt
- https://www.cynops.de/advisories/AKLINK-SA-2008-003.txt
- https://www.cynops.de/advisories/AKLINK-SA-2008-004.txt
- https://www.cynops.de/techzone/http_over_x509.html
- https://www.klink.name/security/aklink-sa-2008-002-outlook-smime.txt
- https://www.klink.name/security/aklink-sa-2008-003-live-mail-smime.txt
- https://www.klink.name/security/aklink-sa-2008-004-office2007-signatures.txt
Timeline
- Published
- Jul 7, 2008
- Last modified
- Jun 16, 2026
- NVD status
- Modified