85619 : Microsoft Windows Phone 7 X.509 Certificate Subject's Common Name (CN) Field Domain Name Validation Multiple Protocol SSL Server MitM Spoofing Weakness
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
6 319 8 months ago 3 months ago 4 times 100%

Timeline

Disclosure Date
2012-09-17

Description

Microsoft Windows Phone 7 contains a flaw that is triggered when the device fails to properly validate the domain name in the subject's Common Name (CN) field of an X.509 certificate. This may allow a remote man-in-the-middle attacker to spoof an SSL server with an arbitrary valid certificate for the POP3, IMAP, or SMTP protocols.

Classification

Location: Remote / Network Access, Mobile Phone / Hand-held Device
Attack Type: Information Disclosure, Input Manipulation
Impact: Loss of Confidentiality, Loss of Integrity
Solution: Solution Unknown
Exploit: Exploit Private
Disclosure: Vendor Verified, Uncoordinated Disclosure

Solution

OSVDB is not aware of a solution for this vulnerability, though Microsoft has acknowledged the issue and stated they will release a fix.

Products

Microsoft Corporation
Windows Phone 7
Unspecified

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 2.6
Source: nvd.nist.gov | Generated: 2012-09-18 | Disagree?

Access_vector_2 Access_complexity_0 Authentication_2 Confidentiality_impact_1 Integrity_impact_0 Availability_impact_0

Comments

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