CVE-2009-3525
Xen 3.x - pygrub Local Authentication Bypass
Severity Score
7.1
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
5
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
El pyGrub en Xen v3.0.3, v3.3.0, y Xen-3.3.1 no soporta la opción password en grub.conf para las invitaciones "para-virtualized", lo que permite a atacantes con acceso a la consola invitada para-virtualized iniciar la invitación o modificar los parámetros de arranque del kernel del invitado sin proporcionar el password esperado.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2009-09-25 First Exploit
- 2009-10-01 CVE Reserved
- 2009-10-05 CVE Published
- 2024-08-07 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-264: Permissions, Privileges, and Access Controls
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://www.securitytracker.com/id?1022950 | Vdb Entry | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9466 | Signature |
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/33255 | 2009-09-25 | |
| http://www.securityfocus.com/bid/36523 | 2024-08-07 | |
| http://xenbits.xensource.com/xen-unstable.hg?rev/8f783adc0ee3 | 2024-08-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=525740 | 2024-08-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=525740#c0 | 2024-08-07 |
| URL | Date | SRC |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2009/09/25/1 | 2017-09-19 |
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html | 2017-09-19 | |
| http://secunia.com/advisories/36908 | 2017-09-19 | |
| http://www.redhat.com/support/errata/RHSA-2009-1472.html | 2017-09-19 | |
| https://access.redhat.com/security/cve/CVE-2009-3525 | 2009-10-01 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Xen Search vendor "Xen" | Xen Search vendor "Xen" for product "Xen" | 3.0.3 Search vendor "Xen" for product "Xen" and version "3.0.3" | - |
Affected
| ||||||
| Xen Search vendor "Xen" | Xen Search vendor "Xen" for product "Xen" | 3.3.0 Search vendor "Xen" for product "Xen" and version "3.3.0" | - |
Affected
| ||||||
| Xen Search vendor "Xen" | Xen Search vendor "Xen" for product "Xen" | 3.3.1 Search vendor "Xen" for product "Xen" and version "3.3.1" | - |
Affected
| ||||||