Inefficient Regular Expression Complexity
CVE-2021-4305
Summary
A vulnerability was found in Woorank robots-txt-guard prior to 1.0.0. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file "lib/patterns.js". The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.
- LOW
- NETWORK
- NONE
- UNCHANGED
- NONE
- NONE
- NONE
- HIGH
CWE-1333 - Inefficient Regular Expression Complexity
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.
References
Advisory Timeline
- Published