CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
SSVC
Exploitation
poc
Automatable
no
Technical Impact
total
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 [email protected]
. 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
[
{
"cpes": [
"cpe:2.3:a:relative:synchrony:*:*:*:*:*:nodejs:*:*"
],
"vendor": "relative",
"product": "synchrony",
"versions": [
{
"status": "affected",
"version": "2.0.1",
"lessThan": "2.4.4",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
]
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
SSVC
Exploitation
poc
Automatable
no
Technical Impact
total