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Last updated: 12/20/2014 8:39:01 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-4993

Original release date: 09/27/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents are used in exec statements.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 (MEDIUM) (AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
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: 27047
External Source: SECUNIA
Name: 26986
Type: Advisory
External Source: FEDORA
Name: FEDORA-2007-713
External Source: SECUNIA
Name: 27486
External Source: SECUNIA
Name: 27072
External Source: SECUNIA
Name: 27085
External Source: SECUNIA
Name: 27141
External Source: BUGTRAQ
Name: 20071008 rPSA-2007-0210-1 xen
External Source: SECUNIA
Name: 27103
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1752
External Source: BID
Name: 25825
External Source: VUPEN
Name: ADV-2007-3348
External Source: OVAL
Name: oval:org.mitre.oval:def:11240
External Source: FEDORA
Name: FEDORA-2007-2270
External Source: REDHAT
Name: RHSA-2007:0323
External Source: SECUNIA
Name: 27161
External Source: CONFIRM
Name: http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1068
External Source: UBUNTU
Name: USN-527
External Source: MANDRIVA
Name: MDKSA-2007:203
External Source: FEDORA
Name: FEDORA-2007-2708
External Source: DEBIAN
Name: DSA-1384

References to Check Content

Identifier: oval:org.mitre.oval:def:11240
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:xensource_inc:xen:3.0.3

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)