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Ubuntu Software Properties ppa gpg key verification Security Bypass Vulnerability

Source: Internet
Author: User
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Release date: 2012-10-01
Updated on:

Affected Systems:
Ubuntu Linux 12.x
Ubuntu Linux 11.x
Ubuntu Linux 10.x
Description:
--------------------------------------------------------------------------------
Bugtraq id: 55736
Cve id: CVE-2012-5356

Ubuntu Software Properties securely installs new Software to the Ubuntu Software library over the Internet.

The apt-add-repository tool of Ubuntu Software Properties does not correctly check the ppa gpa key exported by the key server. Man-in-the-middle attacks can be allowed to install the GPG key of any Software library.

<* Source: Marc Deslauriers (marc.deslauriers@canonical.com)
*>

Suggestion:
--------------------------------------------------------------------------------
Vendor patch:

Ubuntu
------
The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:

Http://www.ubuntulinux.org/

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