MyBB 1.1.2 preg_replace Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in MyBB 1.1.2. This issue affects the function preg_replace. Performing a manipulation results in Remote Code Execution. This vulnerability is identified as CVE-2006-2908. The attack can be initiated remotely. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in MyBB 1.1.2 (Content Management System). This affects the function preg_replace. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The domecode function in inc/functions_post.php in MyBulletinBoard (MyBB) 1.1.2, and possibly other versions, allows remote attackers to execute arbitrary PHP code via the username field, which is used in a preg_replace function call with a /e (executable) modifier.

The weakness was released 06/12/2006 by Andreas Sandblad with Secunia Research as confirmed posting (Bugtraq). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2006-2908 since 06/08/2006. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by Javier Olascoaga in Perl and been published 13 hours after the advisory. The exploit is shared for download at 514.es. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (27046), Exploit-DB (1909), SecurityFocus (BID 18396†), OSVDB (26216†) and Secunia (SA20371†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Javier Olascoaga
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Exploit Delay Time: 🔍

Timelineinfo

06/05/2006 🔍
06/08/2006 +3 days 🔍
06/12/2006 +3 days 🔍
06/12/2006 +0 days 🔍
06/12/2006 +0 days 🔍
06/12/2006 +0 days 🔍
06/12/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
03/12/2015 +3194 days 🔍
04/30/2019 +1510 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: securityfocus.com⛔
Researcher: Andreas Sandblad
Organization: Secunia Research
Status: Confirmed

CVE: CVE-2006-2908 (🔍)
GCVE (CVE): GCVE-0-2006-2908
GCVE (VulDB): GCVE-100-30771
X-Force: 27046 - MyBB inc/functions_post.php domecode() code execution
SecurityFocus: 18396 - MyBB DomeCode Remote PHP Script Code Injection Vulnerability
Secunia: 20371 - MyBB "domecode()" PHP Code Execution Vulnerability, Highly Critical
OSVDB: 26216 - MyBulletinBoard (MyBB) Registration username Field domecode() Function PHP Code Execution
SecurityTracker: 1016270
Vupen: ADV-2006-2288

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

Entryinfo

Created: 03/12/2015 14:25
Updated: 04/30/2019 09:30
Changes: 03/12/2015 14:25 (70), 04/30/2019 09:30 (6)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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