8.1

CVE-2023-45811

Exploit

Prototype pollution vulnerability leading to arbitrary code execution in synchrony deobfuscator

Synchrony deobfuscator is a javascript cleaner & deobfuscator.  A `__proto__` pollution vulnerability exists in versions before v2.4.4. Successful exploitation could lead to arbitrary code execution. A `__proto__` pollution vulnerability exists in the `LiteralMap` transformer allowing crafted input to modify properties in the Object prototype. A fix has been released in `deobfuscator@2.4.4`. Users are advised to upgrade. Users unable to upgrade should launch node with the [--disable-proto=delete][disable-proto] or [--disable-proto=throw][disable-proto] flags
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Relative ≫ Synchrony SwPlatformnode.js Version >= 2.0.1 < 2.4.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.33
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
security-advisories@github.com 8.1 1.4 6
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40
Patch
https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx
Vendor Advisory
Exploit
https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts
Broken Link