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GHSA-2qh5-382h-3jpchigh8.2

CakePHP: SmtpTransport vulnerable to CRLF header injection

Impact

Custom mail headers added with Message::setHeaders() or addHeaders() do not have CRLF replaced allowing header injection if user controlled data is added to message headers without stripping CRLF bytes.

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.

cakephp/cakephp Packagist
Affected rangeRecorded fix
From 4.5.0 before 4.5.12Ecosystem versions4.5.12
From 4.6.0 before 4.6.5Ecosystem versions4.6.5
From 5.0.0 before 5.1.9Ecosystem versions5.1.9
From 5.2.0 before 5.2.14Ecosystem versions5.2.14
From 5.3.0 before 5.3.7Ecosystem versions5.3.7

Version evidence: OSV · GHSA-2qh5-382h-3jpc

View original version evidence (60 explicit versions)

Original source description

Impact

Custom mail headers added with Message::setHeaders() or addHeaders() do not have CRLF replaced allowing header injection if user controlled data is added to message headers without stripping CRLF bytes.

Patches

5.3.7, 5.2.14, 5.1.9, 4.6.5, 4.5.12 contain fixes for this issue.

Workarounds

You can strip CRLF bytes from email header values before setting header values.

References