CVE-2021-23803

NameCVE-2021-23803
DescriptionThis affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php-nettesourcestretch(not affected)
php-nettesource(unstable)(unfixed)

Notes

[stretch] - php-nette <not-affected> (Sandbox first appeared in Latte 2.8.0 so older versions are not affected.)
https://github.com/nette/latte/commit/227c86eda9a8a6d060ea8501923e768b6d992210
https://github.com/nette/latte/issues/279

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