CVE-2021-43138 – async <= 2.6.3 and 3-3.2.2 - Prototype Pollution

https://notcve.org/view.php?id=CVE-2021-43138

In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution. En Async antes de la versión 2.6.4 y 3.x antes de la versión 3.2.2, un usuario malicioso puede obtener privilegios a través del método mapValues(), también conocido como contaminación del prototipo lib/internal/iterator.js createObjectIterator A vulnerability was found in the async package. This flaw allows a malicious user to obtain privileges via the mapValues() method. In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution. Some WordPress plugins and themes use this dependency though that doesn’t necessarily mean the plugin itself is vulnerable to exploitation. • https://github.com/caolan/async/blob/master/lib/internal/iterator.js https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264 https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d https://github.com/caolan/async/compare/v2.6.3...v2.6.4 https://github.com/caolan/async/pull/1828 https://jsfiddle.net/oz5twjd9 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject& • CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') •