MyBB 1.4.3 moderation.php my_post_key cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability was found in MyBB 1.4.3 (Content Management System). It has been rated as critical. Affected by this issue is an unknown functionality of the file moderation.php. The manipulation of the argument my_post_key with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is confidentiality, integrity, and availability. CVE summarizes:

MyBB (aka MyBulletinBoard) 1.4.3 includes the sensitive my_post_key parameter in URLs to moderation.php with the (1) mergeposts, (2) split, and (3) deleteposts actions, which allows remote attackers to steal the token and bypass the cross-site request forgery (CSRF) protection mechanism to hijack the authentication of moderators by reading the token from the HTTP Referer header.

The weakness was disclosed 11/25/2008 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2008-7082 since 08/24/2009. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/22/2018).

It is declared as highly functional. By approaching the search of inurl:moderation.php it is possible to find vulnerable targets with Google Hacking.

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 vulnerability database at X-Force (46885).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
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: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/2008 🔍
11/25/2008 +0 days 🔍
11/26/2008 +0 days 🔍
11/26/2008 +0 days 🔍
08/24/2009 +270 days 🔍
08/25/2009 +1 days 🔍
03/18/2015 +2031 days 🔍
11/22/2018 +1345 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: securityfocus.com
Status: Not defined

CVE: CVE-2008-7082 (🔍)
X-Force: 46885 - MyBB my_post_key weak security
SecurityFocus: 32467 - MyBB 'my_post_key' Remote Image Information Disclosure Vulnerability
Secunia: 32880 - MyBB "Referer" Header "my_post_key" Token Disclosure, Less Critical
OSVDB: 50275 - MyBulletinBoard (MyBB) Referer Header my_post_key Token Disclosure

Entryinfo

Created: 03/18/2015 15:15
Updated: 11/22/2018 08:29
Changes: 03/18/2015 15:15 (55), 11/22/2018 08:29 (6)
Complete: 🔍

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