GHSA-vxrc-68xx-x48g

Twig Sandbox Information Disclosure

Source: GitHub Advisory Database (reviewed) Low CVE-2019-9942

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	twig/twig	< 1.38.0	1.38.0
Packagist	twig/twig	>= 2.0.0, < 2.7.0	2.7.0

Details

As written in the advisory (Markdown source, shown as plain text).

A sandbox information disclosure exists in Twig before 1.38.0 and 2.x before 2.7.0 because, under some circumstances, it is possible to call the `__toString()` method on an object even if not allowed by the security policy in place.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2019-9942 advisory
https://github.com/twigphp/Twig/commit/eac5422956e1dcca89a3669a03a3ff32f0502077 web
https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2019-9942.yaml web
https://github.com/twigphp/Twig package
https://seclists.org/bugtraq/2019/Mar/60 web
https://symfony.com/blog/twig-sandbox-information-disclosure web
https://www.debian.org/security/2019/dsa-4419 web