FreshRSS 1.20.2 API /FreshRSS/p/ext.php hash predictable salt

Summaryinfo

A vulnerability has been found in FreshRSS 1.20.2 and classified as problematic. Affected is an unknown function of the file /FreshRSS/p/ext.php of the component API. The manipulation leads to hash predictable salt. This vulnerability is referenced as CVE-2022-23497. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in FreshRSS 1.20.2. It has been rated as problematic. This issue affects an unknown part of the file /FreshRSS/p/ext.php of the component API. The manipulation with an unknown input leads to a hash predictable salt vulnerability. Using CWE to declare the problem leads to CWE-760. The product uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but the product uses a predictable salt as part of the input. Impacted is confidentiality. The summary by CVE is:

FreshRSS is a free, self-hostable RSS aggregator. User configuration files can be accessed by a remote user. In addition to user preferences, such configurations contain hashed passwords (brypt with cost 9, salted) of FreshRSS Web interface. If the API is used, the configuration might contain a hashed password (brypt with cost 9, salted) of the GReader API, and a hashed password (MD5 salted) of the Fever API. Users should update to version 1.20.2 or edge. Users unable to upgrade can apply the patch manually or delete the file `./FreshRSS/p/ext.php`.

The weakness was published 12/10/2022 as GHSA-hvrj-5fwj-p7v6. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-23497 since 01/19/2022. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1110.002 for this issue.

By approaching the search of inurl:FreshRSS/p/ext.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.20.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• FreshRSS

Version

• 1.20.2

Website

• Product: https://github.com/FreshRSS/FreshRSS/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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