A vulnerability was found in MFScripts YetiShare up to 4.5.3. It has been rated as problematic. Affected by this issue is an unknown code of the file class.userpeer.php of the component Password Reset Handler. The manipulation with an unknown input leads to a weak password hash vulnerability. Using CWE to declare the problem leads to CWE-916. The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive. Impacted is confidentiality. CVE summarizes:

class.userpeer.php in MFScripts YetiShare 3.5.2 through 4.5.3 uses an insecure method of creating password reset hashes (based only on microtime), which allows an attacker to guess the hash and set the password within a few hours by bruteforcing.

The weakness was shared 12/30/2019. This vulnerability is handled as CVE-2019-19735 since 12/11/2019. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

By approaching the search of inurl:class.userpeer.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 entries 147918, 147917, 147916 and 147915 are related to this item.

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Vendor

• MFScripts

Name

• YetiShare

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3

CPE 2.3info

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• 🔍
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CPE 2.2info

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