Gravity Board X 2.0 index.php subject cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

A vulnerability was found in Gravity Board X 2.0 (Forum Software). It has been classified as problematic. Affected is an unknown functionality of the file index.php. The manipulation of the argument subject with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in index.php in Gravity Board X (GBX) 2.0 Beta allows remote attackers to inject arbitrary web script or HTML via the subject parameter in a postnewsubmit (aka create new thread) action.

The weakness was shared 07/03/2008 (Website). The advisory is shared for download at milw0rm.com. This vulnerability is traded as CVE-2008-2997 since 07/03/2008. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by CWH Underground and been published before and not just after the advisory. The exploit is shared for download at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:index.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 databases at X-Force (43021) and Exploit-DB (5791). The entry 43043 is related to this item.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: CWH Underground
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/12/2008 🔍
06/12/2008 +0 days 🔍
06/12/2008 +0 days 🔍
07/03/2008 +21 days 🔍
07/03/2008 +0 days 🔍
07/03/2008 +0 days 🔍
03/17/2015 +2448 days 🔍
11/20/2017 +979 days 🔍

Sourcesinfo

Advisory: milw0rm.com
Status: Confirmed

CVE: CVE-2008-2997 (🔍)
X-Force: 43021 - Gravity Board X subject parameter cross-site scripting
SecurityFocus: 29685 - Gravity Board X Multiple Input Validation Vulnerabilities

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

Entryinfo

Created: 03/17/2015 12:19
Updated: 11/20/2017 12:34
Changes: 03/17/2015 12:19 (58), 11/20/2017 12:34 (5)
Complete: 🔍

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