Craig Barratt BackupPC 3.1.0 Restore ClientNameAlias access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Craig Barratt BackupPC 3.1.0. Impacted is the function ClientNameAlias of the component Restore. The manipulation results in access control.
This vulnerability is known as CVE-2009-3369. No exploit is available.
Details
A vulnerability classified as critical has been found in Craig Barratt BackupPC 3.1.0 (Backup Software). Affected is the function ClientNameAlias of the component Restore. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
CgiUserConfigEdit in BackupPC 3.1.0, when SSH keys and Rsync are in use in a multi-user environment, does not restrict users from the ClientNameAlias function, which allows remote authenticated users to read and write sensitive files by modifying ClientNameAlias to match another system, then initiating a backup or restore.
The weakness was published 08/18/2009 (Website). The advisory is shared for download at redhat.com. This vulnerability is traded as CVE-2009-3369. It is possible to launch the attack remotely. A authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 42051 (Ubuntu 8.04 LTS / 8.10 / 9.04 : backuppc vulnerability (USN-843-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116688 (Fedora Update for BackupPC (FEDORA-2009-9973, FEDORA-2009-9982)).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at Tenable (42051), SecurityFocus (BID 36575†), OSVDB (57236†), Secunia (SA37161†) and Vulnerability Center (SBV-23699†). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.8
VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 42051
Nessus Name: Ubuntu 8.04 LTS / 8.10 / 9.04 : backuppc vulnerability (USN-843-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 66137
OpenVAS Name: Fedora Core 10 FEDORA-2009-9973 (BackupPC)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/18/2009 🔍08/19/2009 🔍
09/24/2009 🔍
09/24/2009 🔍
09/24/2009 🔍
10/01/2009 🔍
10/07/2009 🔍
10/12/2009 🔍
03/18/2015 🔍
09/08/2025 🔍
Sources
Advisory: redhat.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2009-3369 (🔍)
GCVE (CVE): GCVE-0-2009-3369
GCVE (VulDB): GCVE-100-50220
OVAL: 🔍
SecurityFocus: 36575 - BackupPC 'ClientNameAlias()' Security Bypass Vulnerability
Secunia: 37161
OSVDB: 57236 - BackupPC CgiUserConfigEdit ClientNameAlias SSH Rsync Backup Security Restriction Bypass
Vulnerability Center: 23699 - CgiUserConfigEdit in BackupPC 3.1.0 Remote Unauthorized Access and Security Bypass Vulnerability, High
Entry
Created: 03/18/2015 15:15Updated: 09/08/2025 20:52
Changes: 03/18/2015 15:15 (62), 02/15/2017 09:30 (9), 08/23/2021 08:19 (4), 08/23/2021 08:21 (1), 02/16/2025 07:52 (16), 03/20/2025 18:10 (1), 09/08/2025 20:52 (1)
Complete: 🔍
Cache ID: 216::103
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