e107 CMS up to 0.7.2 usersettings.php loginname incomplete blacklist

Summaryinfo

A vulnerability labeled as critical has been found in e107 CMS up to 0.7.2. This impacts an unknown function of the file usersettings.php. Executing a manipulation of the argument loginname can lead to incomplete blacklist. This vulnerability is tracked as CVE-2010-2098. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in e107 CMS up to 0.7.2 (Content Management System) and classified as critical. This vulnerability affects an unknown part of the file usersettings.php. The manipulation of the argument loginname with an unknown input leads to a incomplete blacklist vulnerability. The CWE definition for the vulnerability is CWE-184. The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Incomplete blacklist vulnerability in usersettings.php in e107 0.7.20 and earlier allows remote attackers to conduct SQL injection attacks via the loginname parameter.

The weakness was disclosed 05/27/2010 (Website). The advisory is shared for download at php-security.org. This vulnerability was named CVE-2010-2098 since 05/27/2010. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1562.006.

By approaching the search of inurl:usersettings.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 entry VDB-53389 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Content Management System

Vendor

• e107

Name

• CMS

Version

• 0.7.0
• 0.7.1
• 0.7.2

License

• open-source

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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