Jbmc-software DirectAdmin up to 1.17 link following

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Jbmc-software DirectAdmin up to 1.17. This affects an unknown part. This manipulation causes link following. This vulnerability is handled as CVE-2009-1526. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Jbmc-software DirectAdmin up to 1.17. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

JBMC Software DirectAdmin before 1.334 allows local users to create or overwrite any file via a symlink attack on an arbitrary file in a certain temporary directory, related to a request for this temporary file in the PATH_INFO to the CMD_DB script during a backup action.

The weakness was released 04/22/2009 (Website). The advisory is shared at directadmin.com. This vulnerability is known as CVE-2009-1526 since 05/05/2009. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 1.18 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (32947), OSVDB (54014†) and Secunia (SA34861†). Entry connected to this vulnerability is available at VDB-48060. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Jbmc-software

Name

• DirectAdmin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DirectAdmin 1.18

Timelineinfo

04/22/2009 🔍
04/24/2009 +2 days 🔍
04/24/2009 +0 days 🔍
05/05/2009 +10 days 🔍
05/05/2009 +0 days 🔍
03/17/2015 +2142 days 🔍
12/12/2025 +3923 days 🔍

Sourcesinfo

Advisory: directadmin.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-1526 (🔍)
GCVE (CVE): GCVE-0-2009-1526
GCVE (VulDB): GCVE-100-48061
Secunia: 34861 - DirectAdmin Database Backup and Restore Vulnerabilities, Less Critical
OSVDB: 54014 - DirectAdmin CMD_DB Database Backup Request Temporary File Symlink Arbitrary File Overwrite

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 12/12/2025 21:42
Changes: 03/17/2015 23:38 (55), 11/07/2018 16:44 (1), 12/18/2024 08:51 (27), 12/12/2025 21:42 (1)
Complete: 🔍
Cache ID: 216::103

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Discussion

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