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GHSA-mrqx-rp3w-jpjplow3.1

Symfony vulnerable to open redirect via browser-sanitized URLs

Impact

The Request class, does not parse URI with special characters the same way browsers do. As a result, an attacker can trick a validator relying on the Request class to redirect users to another domain.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

symfony/http-foundation Packagist
Affected rangeRecorded fix
Earlier releases before 5.4.46Ecosystem versions5.4.46
From 6.0.0 before 6.4.14Ecosystem versions6.4.14
From 7.0.0 before 7.1.7Ecosystem versions7.1.7

Version evidence: OSV · GHSA-mrqx-rp3w-jpjp

View original version evidence (663 explicit versions)

Original source description

Description

The Request class, does not parse URI with special characters the same way browsers do. As a result, an attacker can trick a validator relying on the Request class to redirect users to another domain.

Resolution

The Request::create methods now assert the URI does not contain invalid characters as defined by https://url.spec.whatwg.org/

The patch for this issue is available here for branch 5.4.

Credits

We would like to thank Sam Mush - IPASSLab && ZGC Lab for reporting the issue and Nicolas Grekas for providing the fix.

References