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Last updated: 10/21/2014 1:17:54 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2012-3537

Original release date: 09/05/2012
Last revised: 09/06/2012
Source: US-CERT/NIST

Overview

The Crowbar Ohai plugin (chef/cookbooks/ohai/files/default/plugins/crowbar.rb) in the Deployer Barclamp in Crowbar, possibly 1.4 and earlier, allows local users to execute arbitrary shell commands via vectors related to "insecure handling of tmp files" and predictable file names.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.6 (MEDIUM) (AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 50442
Type: Advisory
External Source: BID
Name: 55240
External Source: CONFIRM
Name: https://github.com/dellcloudedge/barclamp-deployer/pull/57
External Source: MISC
Name: https://github.com/SUSE-Cloud/barclamp-deployer/commit/5ea8d4ddaa4cb1ce834d36889f0fe7ac0d617bc8
Type: Patch Information; Exploit
External Source: MLIST
Name: [oss-security] 20120827 CVE request: crowbar ohai plugin: local privilege (root) escalation due to insecure tmp file handling
External Source: XF
Name: crowbar-privilege-escalation(78041)
External Source: MISC
Name: https://github.com/SUSE-Cloud/barclamp-deployer/commit/b6454268a067fc77ff5de82057b5b53b3cc38b87
Type: Patch Information; Exploit
External Source: OSVDB
Name: 84955
External Source: MISC
Name: https://bugzilla.novell.com/show_bug.cgi?id=774967
External Source: MLIST
Name: [oss-security] 20120827 Re: CVE request: crowbar ohai plugin: local privilege (root) escalation due to insecure tmp file handling

Vulnerable software and versions

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Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)