Vulnerability CVE-2008-3068
Published: 2008-07-07   Modified: 2012-02-12

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Unauthorized reading confirmation from Outlook
Augusto Paes de ...
07.07.2008
Med.
Microsoft CryptoAPI / Outlook 2007-2013 Design Bug
n.runs
13.11.2013

Type:

CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Microsoft -> Visio standard 
Microsoft -> Access 
Microsoft -> Windows live mail 
Microsoft -> Excel 
Microsoft -> Frontpage 
Microsoft -> Groove 
Microsoft -> Infopath 
Microsoft -> Office 
Microsoft -> Office communicator 
Microsoft -> Onenote 
Microsoft -> Outlook 
Microsoft -> Powerpoint 
Microsoft -> Project professional 
Microsoft -> Project standard 
Microsoft -> Publisher 
Microsoft -> Sharepoint designer 
Microsoft -> Visio professional 

 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
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