Vulnerability · Published Dec 17, 2021 · Assigned by snyk
CVE-2021-23803Access Control Bypass
Critical 9.8
In plain English
A critical-severity security flaw in latte/latte. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.6%top 23.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | latte/latte | 2.10.6 | GHSA-6pj2-5fqq-xvjc |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | latte/latte | unspecified – before 2.10.6 |
References
- https://snyk.io/vuln/SNYK-PHP-LATTELATTE-1932226 x_refsource_MISC
- https://github.com/nette/latte/issues/279 x_refsource_MISC
- https://github.com/nette/latte/commit/227c86eda9a8a6d060ea8501923e768b6d992210 x_refsource_MISC