جزئیات آسیب‌پذیری

The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object into the evaluate() function and trigger arbitrary code execution.

• https://github.com/silentmatt/expr-eval
• https://github.com/jorenbroekema/expr-eval
• https://www.npmjs.com/package/expr-eval-fork
• https://www.npmjs.com/package/expr-eval
• https://github.com/silentmatt/expr-eval/pull/288
• https://github.com/advisories/GHSA-jc85-fpwf-qm7x third-party-advisory
• https://kb.cert.org/vuls/id/263614 third-party-advisory
• https://github.com/jorenbroekema/expr-eval/blob/460b820ba01c5aca6c5d84a7d4f1fa5d1913c67b/test/security.js exploit
• https://www.kb.cert.org/vuls/id/263614