Watchpack is a utility designed to simplify directory and file watching, commonly used in build tools and development environments. Version 0.2.3 introduces a notable change concerning its dependency on chokidar, a popular file system watcher. In the older version, 0.2.2. chokidar was explicitly sourced from a specific commit on its GitHub repository ("git+https://github.com/paulmillr/chokidar#f4c49296b708c6901429a6497b31a8b907bdd8c0"), locking the watchpack to that specific version of chokidar. Version 0.2.3 upgrades the chokidar dependency to "^1.0.0-rc2" pointing to any version greater or equal to 1.0.0-rc2 but less than 2.0.0.
This update provides benefits due to potential bug fixes, performance improvements, or new features bundled within the chokidar release candidate. If your project relies on watchpack, carefully considering this upgraded dependency is crucial. Developers need to ensure compatibility with any newer chokidar functionalities or potential breaking changes introduced after the commit referenced in version 0.2.2. Both versions share common dependencies, like async for asynchronous operations and graceful-fs for improved file system handling, and provide the same core functionality of offering a reliable file watching mechanism based on the popular chokidar package. The library utilizes the MIT license, offering flexibility in its integration within various projects.
All the vulnerabilities related to the version 0.2.3 of the package
Regular Expression Denial of Service (ReDoS) in micromatch
The NPM package micromatch prior to version 4.0.8 is vulnerable to Regular Expression Denial of Service (ReDoS). The vulnerability occurs in micromatch.braces() in index.js because the pattern .* will greedily match anything. By passing a malicious payload, the pattern matching will keep backtracking to the input while it doesn't find the closing bracket. As the input size increases, the consumption time will also increase until it causes the application to hang or slow down. There was a merged fix but further testing shows the issue persisted prior to https://github.com/micromatch/micromatch/pull/266. This issue should be mitigated by using a safe pattern that won't start backtracking the regular expression due to greedy matching.
Regular Expression Denial of Service (ReDoS) in braces
A vulnerability was found in Braces versions prior to 2.3.1. Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) attacks.
Regular Expression Denial of Service in braces
Versions of braces prior to 2.3.1 are vulnerable to Regular Expression Denial of Service (ReDoS). Untrusted input may cause catastrophic backtracking while matching regular expressions. This can cause the application to be unresponsive leading to Denial of Service.
Upgrade to version 2.3.1 or higher.
Uncontrolled resource consumption in braces
The NPM package braces fails to limit the number of characters it can handle, which could lead to Memory Exhaustion. In lib/parse.js, if a malicious user sends "imbalanced braces" as input, the parsing will enter a loop, which will cause the program to start allocating heap memory without freeing it at any moment of the loop. Eventually, the JavaScript heap limit is reached, and the program will crash.
