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CVE-2011-4409

Date: June 15, 2012

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.

Severity Score

Related Resources (10)

http://ubuntu.com/usn/usn-1465-3
http://ubuntu.com/usn/usn-1465-2
https://exchange.xforce.ibmcloud.com/vulnerabilities/76113
http://ubuntu.com/usn/usn-1465-1
http://www.osvdb.org/82748
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-4409
http://secunia.com/advisories/49442
https://nvd.nist.gov/vuln/detail/CVE-2011-4409
http://www.securityfocus.com/bid/53828
https://www.mend.io/vulnerability-database/CVE-2011-4409

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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