7.5
CWE
20
Advisory Published
Updated

CVE-2011-4409: Input Validation

First published: Sat Jun 16 2012(Updated: )

The Ubuntu One Client for Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS does not properly validate SSL certificates, which allows remote attackers to spoof a server and modify or read sensitive information via a man-in-the-middle (MITM) attack.

Credit: security@ubuntu.com

Affected SoftwareAffected VersionHow to fix
Ubuntu=11.04
Ubuntu=11.10
Ubuntu=12.04
Ubuntu=10.04

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Frequently Asked Questions

  • What is the severity of CVE-2011-4409?

    CVE-2011-4409 has a moderate severity level due to its potential for man-in-the-middle attacks.

  • How do I fix CVE-2011-4409?

    To fix CVE-2011-4409, upgrade your Ubuntu One Client to a version that properly validates SSL certificates.

  • What versions of Ubuntu are affected by CVE-2011-4409?

    CVE-2011-4409 affects Ubuntu 10.04 LTS, 11.04, 11.10, and 12.04 LTS.

  • What types of attacks can exploit CVE-2011-4409?

    CVE-2011-4409 can be exploited through man-in-the-middle (MITM) attacks, allowing unauthorized access to sensitive information.

  • Are there any workarounds for CVE-2011-4409?

    No specific workarounds are recommended for CVE-2011-4409 other than updating to the latest secure version.

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