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NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
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Last updated: 10/20/2014 5:23:22 PM

CVE Publication rate: 48.73

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Vulnerability Workload Index: 13.68
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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2011-3152

Original release date: 04/27/2014
Last revised: 04/28/2014
Source: US-CERT/NIST

Overview

DistUpgrade/DistUpgradeFetcherCore.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.25.5 on Ubuntu 8.04 through 11.10 does not verify the GPG signature before extracting an upgrade tarball, which allows man-in-the-middle attackers to (1) create or overwrite arbitrary files via a directory traversal attack using a crafted tar file, or (2) bypass authentication via a crafted meta-release file.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.4 (MEDIUM) (AV:N/AC:L/Au:N/C:P/I:P/A:N) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification

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External Source: CONFIRM
Name: https://bugs.launchpad.net/ubuntu/%2Bsource/update-manager/%2Bbug/881548
External Source: OSVDB
Name: 77642
External Source: XF
Name: ubuntu-update-gpg-sec-bypass(71494)
External Source: BID
Name: 50833
External Source: UBUNTU
Name: USN-1284-1
Type: Advisory
External Source: SECUNIA
Name: 47024

Technical Details

Vulnerability Type (View All)