Debug version 2.1.2 represents a minor update in this popular, small debugging utility for Node.js and browsers, following version 2.1.1. Both versions retain the MIT license and are authored by TJ Holowaychuk, reflecting continued maintenance and commitment to the project. From a developer's perspective, the key difference between the two versions lies in the dependency updates. Version 2.1.2 relies on ms version 0.7.0, a module for converting various time formats to milliseconds, whereas the prior version 2.1.1 depended on ms version 0.6.2. This indicates a potential enhancement or fix within the ms dependency that the debug package incorporates.
Furthermore, the devDependencies also show upgrades. Version 2.1.2 utilizes browserify version 9.0.3, while 2.1.1 uses an older browserify version 6.1.0. As a browser debugging utility, browserify usage is relevant, and this change probably reflects improvements in the library itself, such as bug fixes and performance optimization. Developers should consider these upgrades when choosing a version, especially if they are actively using browserify in their workflow. Moreover, version 2.1.2 was released on March 2, 2015, later than the release of 2.1.1 on December 29, 2014, meaning that it incorporates the latest changes and can incorporate bug fixes. Ultimately, developers should review the changelog of the ms and browserify libraries during the update period to understand the impact of these new changes.
All the vulnerabilities related to the version 2.1.2 of the package
debug Inefficient Regular Expression Complexity vulnerability
A vulnerability classified as problematic has been found in debug-js debug up to 3.0.x. This affects the function useColors of the file src/node.js. The manipulation of the argument str leads to inefficient regular expression complexity. Upgrading to version 3.1.0 is able to address this issue. The name of the patch is c38a0166c266a679c8de012d4eaccec3f944e685. It is recommended to upgrade the affected component. The identifier VDB-217665 was assigned to this vulnerability. The patch has been backported to the 2.6.x branch in version 2.6.9.
Regular Expression Denial of Service in debug
Affected versions of debug are vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter.
As it takes 50,000 characters to block the event loop for 2 seconds, this issue is a low severity issue.
This was later re-introduced in version v3.2.0, and then repatched in versions 3.2.7 and 4.3.1.
Version 2.x.x: Update to version 2.6.9 or later. Version 3.1.x: Update to version 3.1.0 or later. Version 3.2.x: Update to version 3.2.7 or later. Version 4.x.x: Update to version 4.3.1 or later.
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.