82748 : Ubuntu One Client SSL Certificate Validation MitM Spoofing Weakness
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Timeline

Disclosure Date
2012-06-06

Description

Ubuntu contains a flaw related to the One client. The issue is triggered due to the improper validation of certain SSL certificates. This may allow an attacker to spoof a valid server and perform a man-in-the-middle attack.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Ubuntu has released a patch to address this vulnerability. Check the vendor changelog in the references section.

Products

Canonical Ltd.	Ubuntu	12.04 LTS
		11.10
		11.04
		10.04 LTS

References

CVE ID: 2011-4409 (see also: NVD)
Secunia Advisory ID: 49442
Bugtraq ID: 53828
ISS X-Force ID: 76113
Vendor Specific News/Changelog Entry: http://www.ubuntu.com/usn/usn-1465-1/
http://www.ubuntu.com/usn/usn-1465-2/
http://www.ubuntu.com/usn/usn-1465-3/

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-06-18 | Disagree?

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