CVE-2024-21544: Input Validation Flaw (CVSS 8.6)

Description

Versions of the package spatie/browsershot before 5.0.1 are vulnerable to Improper Input Validation due to improper URL validation in the setUrl method. An attacker can exploit this vulnerability by using leading whitespace (%20) before the file:// protocol, resulting in Local File Inclusion, which allows the attacker to read sensitive files on the server.

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CVSS v3.1 Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

References

Other References

https://github.com/spatie/browsershot/blob/1e212b596c104138550ed4ef1b9977d8df570c67/src/Browsershot.php%23L258-L269 https://github.com/spatie/browsershot/commit/fae8396641b961f62bd756920b14f01a4391296e https://security.snyk.io/vuln/SNYK-PHP-SPATIEBROWSERSHOT-8496745

Frequently Asked Questions

What is CVE-2024-21544? +

Versions of the package spatie/browsershot before 5.0.1 are vulnerable to Improper Input Validation due to improper URL validation in the setUrl method. An attacker can exploit this vulnerability by using leading whitespace (%20) before the file:// protocol, resulting in Local File Inclusion, which allows the attacker to read sensitive files on the server. It has a CVSS v3.1 base score of 8.6 (HIGH).

How severe is CVE-2024-21544? +

CVE-2024-21544 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-21544? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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