National Vulnerability Database (NVD) National Vulnerability Database (CVE-2007-0469)

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Last updated: Sun Nov 22 17:14:47 EST 2009

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Vulnerability Summary for CVE-2007-0469

Original release date:01/24/2007

Last revised:09/05/2008

Source: US-CERT/NIST

Overview

The extract_files function in installer.rb in RubyGems before 0.9.1 does not check whether files exist before overwriting them, which allows user-assisted remote attackers to overwrite arbitrary files, cause a denial of service, or execute arbitrary code via crafted GEM packages.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)

Impact Subscore: 10.0

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:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2007-0295

Type: Advisory; Patch Information

Hyperlink:http://www.frsirt.com/english/advisories/2007/0295

External Source: CONFIRM

Name: http://rubyforge.org/frs/shownotes.php?release_id=9074

Type: Advisory; Patch Information

Hyperlink:http://rubyforge.org/frs/shownotes.php?release_id=9074

External Source: XF

Name: rubygems-extractfiles-file-overwrite(31688)

Hyperlink:http://xforce.iss.net/xforce/xfdb/31688

External Source: BUGTRAQ