MyBB 1.4.2 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in MyBB 1.4.2. It has been rated as problematic. Impacted is an unknown function. This manipulation causes input validation. This vulnerability appears as CVE-2008-4930. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in MyBB 1.4.2 (Content Management System). It has been declared as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity. The summary by CVE is:

MyBB (aka MyBulletinBoard) 1.4.2 does not properly handle an uploaded file with a nonstandard file type that contains HTML sequences, which allows remote attackers to cause that file to be processed as HTML by Internet Explorer s content inspection, aka "Incomplete protection against MIME-sniffing." NOTE: this could be leveraged for XSS and other attacks.

The weakness was presented 11/04/2008 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2008-4930 since 11/04/2008. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/13/2018).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-44862 and VDB-44861 for similar entries. Be aware that VulDB is the high quality source 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: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2008 🔍
11/04/2008 +0 days 🔍
11/04/2008 +0 days 🔍
03/17/2015 +2324 days 🔍
10/13/2018 +1306 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: openwall.com
Status: Not defined

CVE: CVE-2008-4930 (🔍)
GCVE (CVE): GCVE-0-2008-4930
GCVE (VulDB): GCVE-100-44863
See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 10/13/2018 08:57
Changes: 03/17/2015 16:11 (40), 10/13/2018 08:57 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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