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Vulnerability Details : CVE-2009-3525

The pyGrub boot loader in Xen 3.0.3, 3.3.0, and Xen-3.3.1 does not support the password option in grub.conf for para-virtualized guests, which allows attackers with access to the para-virtualized guest console to boot the guest or modify the guest's kernel boot parameters without providing the expected password.
Publish Date : 2009-10-05 Last Update Date : 2017-09-18
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
6.2
AV:L/AC:H/Au:N/C:C/I:C/A:C 2009-08-18 2009-08-25
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2009-3525 oval:org.opensuse.security:def:20093525 unix
ELSA-2009:1472: xen security and bug fix update (Moderate) oval:org.mitre.oval:def:22812 unix
RHSA-2009:1472 -- xen security and bug fix update (Moderate) oval:org.mitre.oval:def:29340 unix
RHSA-2009:1472: xen security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20091472 unix
The pyGrub boot loader in Xen 3.0.3, 3.3.0, and Xen-3.3.1 does not support the password option in grub.conf for para-vir... oval:org.mitre.oval:def:9466 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2009-3525

# Product Type Vendor Product Version Update Edition Language
1 Application XEN XEN 3.0.3 Version Details Vulnerabilities
2 Application XEN XEN 3.3.0 Version Details Vulnerabilities
3 Application XEN XEN 3.3.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 3

- References For CVE-2009-3525

https://bugzilla.redhat.com/show_bug.cgi?id=525740#c0 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=525740 CONFIRM
http://xenbits.xensource.com/xen-unstable.hg?rev/8f783adc0ee3 CONFIRM
http://www.securitytracker.com/id?1022950
SECTRACK 1022950
http://www.securityfocus.com/bid/36523
BID 36523 Xen pygrub Local Authentication Bypass Vulnerability Release Date:2010-05-25
http://www.openwall.com/lists/oss-security/2009/09/25/1
MLIST [oss-security] 20090925 CVE Request -- Xen -- PyGrub
http://www.redhat.com/support/errata/RHSA-2009-1472.html
REDHAT RHSA-2009:1472
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
SUSE SUSE-SR:2010:012

- Metasploit Modules Related To CVE-2009-3525

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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