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CVE-2009-3525

Good to know:

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Date: October 5, 2009

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.

Language: C

Severity Score

Related Resources (13)

http://www.securityfocus.com/bid/36523
http://www.securitytracker.com/id?1022950
http://www.redhat.com/support/errata/RHSA-2009-1472.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9466
http://xenbits.xensource.com/xen-unstable.hg?rev/8f783adc0ee3
https://access.redhat.com/security/cve/CVE-2009-3525
https://nvd.nist.gov/vuln/detail/CVE-2009-3525
http://www.openwall.com/lists/oss-security/2009/09/25/1
http://secunia.com/advisories/36908
https://bugzilla.redhat.com/show_bug.cgi?id=525740
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=525740#c0
https://www.mend.io/vulnerability-database/CVE-2009-3525

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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