spatie browsershot up to 5.0.2 URL Validation setUrl path traversal

Summaryinfo

A vulnerability classified as critical was found in spatie browsershot up to 5.0.2. This affects the function setUrl of the component URL Validation Handler. The manipulation results in path traversal. This vulnerability is cataloged as CVE-2024-21549. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in spatie browsershot up to 5.0.2. Affected is the function setUrl of the component URL Validation Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:

Versions of the package spatie/browsershot before 5.0.3 are vulnerable to Improper Input Validation due to improper URL validation through the setUrl method. An attacker can exploit this vulnerability by utilizing view-source:file://, which allows for arbitrary file reading on a local file. **Note:** This is a bypass of the fix for [CVE-2024-21544](https://security.snyk.io/vuln/SNYK-PHP-SPATIEBROWSERSHOT-8496745).

The advisory is shared for download at security.snyk.io. This vulnerability is traded as CVE-2024-21549 since 12/22/2023. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 5.0.3 eliminates this vulnerability. Applying the patch f791ce0ae8dd99367dbfa30588ee31e1196e1728 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• spatie

Name

• browsershot

Version

• 5.0.0
• 5.0.1
• 5.0.2

License

• open-source

Website

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

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Once again VulDB remains the best source for vulnerability data.

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