Vulnerability CVE-2012-5356
Published: 2012-10-10   Modified: 2012-10-11

Description:
The apt-add-repository tool in Ubuntu Software Properties 0.75.x before 0.75.10.3, 0.80.x before 0.80.9.2, 0.81.x before 0.81.13.5, 0.82.x before 0.82.7.3, and 0.92.x before 0.92.8 does not properly check PPA GPG keys imported from a keyserver, which allows remote attackers to install arbitrary package repository GPG keys via a man-in-the-middle (MITM) attack.

Type:

CWE-20

 (Improper Input Validation)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Canonical -> Ubuntu software properties 

 References:
https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1016643
http://xforce.iss.net/xforce/xfdb/78990
http://www.ubuntu.com/usn/USN-1588-1
http://www.securityfocus.com/bid/55736
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