spatie browsershot up to 5.0.1 Normalization path traversal

Summaryinfo

A vulnerability, which was classified as critical, has been found in spatie browsershot up to 5.0.1. Impacted is an unknown function of the component Normalization Handler. The manipulation leads to path traversal. This vulnerability is documented as CVE-2024-21547. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in spatie browsershot up to 5.0.1. This issue affects an unknown functionality of the component Normalization Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

Versions of the package spatie/browsershot before 5.0.2 are vulnerable to Directory Traversal due to URI normalisation in the browser where the file:// check can be bypassed with file:\\. An attacker could read any file on the server by exploiting the normalization of \ into /.

The advisory is shared at security.snyk.io. The identification of this vulnerability is CVE-2024-21547 since 12/22/2023. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 5.0.2 eliminates this vulnerability. Applying the patch dfc3635b83dd980e5c39f8f8c73e87723b99ca01 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.

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Productinfo

Vendor

• spatie

Name

• browsershot

Version

• 5.0.0
• 5.0.1

License

• open-source

Website

• Product: https://github.com/spatie/browsershot/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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