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Last updated: Sat Oct 27 07:00:45 EDT 2012

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National Cyber-Alert System

Vulnerability Summary for CVE-2012-5356

Original release date:10/10/2012
Last revised:10/11/2012
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:5.8 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1016643
External Source: XF
Name: ubuntu-gpg-sec-bypass(78990)
External Source: UBUNTU
Name: USN-1588-1
External Source: BID
Name: 55736

Vulnerable software and versions

Nav control imageConfiguration 1
line trunkNav control imageOR
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.10.2
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.10.1
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.10
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.9
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.8
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.7
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.6
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.5
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.75.4
Nav control imageConfiguration 2
line trunkNav control imageOR
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.9.1
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.9
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.8
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.7
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.6
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.5
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.4
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.3
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.2
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.78.1
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.78
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.77
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.76.7
Nav control imageConfiguration 3
line trunkNav control imageOR
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.13.4
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.13.3
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.13.2
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.13.1
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.13
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.11
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.10
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.9
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.8
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.7
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.6
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.5
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.4
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.3
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.2
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.1
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.13
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.12
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.11
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.10
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.80.9
Nav control imageConfiguration 4
line trunkNav control imageOR
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.7.2
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.7.1
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.7
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.6
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.5
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.4
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.3
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.2
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.13.1
line trunkspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.81.10
Nav control imageConfiguration 5
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.92.7
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.92.6
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.92.5
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.92.4
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.92.3
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.92.2
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.92
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.91
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.90
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.89
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.88
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.87
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.86
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.85
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.84
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.83
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.7.1
spacerspacerNav control image* cpe:/a:canonical:ubuntu_software_properties:0.82.7
* Denotes Vulnerable Software

Technical Details

Vulnerability Type (View All)