National Cyber Awareness System
Vulnerability Summary for CVE-2012-0954
Original release date:06/19/2012
Last revised:06/26/2012
Source:
US-CERT/NIST
Overview
APT 0.7.x before 0.7.25 and 0.8.x before 0.8.16, when using the apt-key net-update to import keyrings, relies on GnuPG argument order and does not check GPG subkeys, which might allow remote attackers to install altered packages via a man-in-the-middle (MITM) attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3587.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1013681
External Source: CONFIRM
Name: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1013639
External Source: CONFIRM
Name: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1013128
External Source: UBUNTU
Name: USN-1477-1
External Source: UBUNTU
Name: USN-1475-1
External Source: BID
Name: 54046
External Source: FULLDISC
Name: 20120615 ubuntu apt-key (part 3)
External Source: FULLDISC
Name: 20120614 Using second gpg keyring may be misleading?
External Source: FULLDISC
Name: 20120612 Strange gpg key shadowing
