Vulnerability CVE-2007-4993
Published: 2007-09-27   Modified: 2012-02-12

Description:
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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Xensource inc -> XEN 

 References:
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1068
http://www.debian.org/security/2007/dsa-1384
http://www.mandriva.com/security/advisories?name=MDKSA-2007:203
http://www.redhat.com/support/errata/RHSA-2007-0323.html
http://www.securityfocus.com/archive/1/481825/100/0/threaded
http://www.securityfocus.com/bid/25825
http://www.ubuntu.com/usn/usn-527-1
http://www.vupen.com/english/advisories/2007/3348
https://issues.rpath.com/browse/RPL-1752
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11240
https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00004.html
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00030.html
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00082.html
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