CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/CR:M/IR:M/AR:M
AI Score
Confidence
Low
SSVC
Exploitation
none
Automatable
no
Technical Impact
total
The permission model protects itself against path traversal attacks by calling path.resolve() on any paths given by the user. If the path is to be treated as a Buffer, the implementation uses Buffer.from() to obtain a Buffer from the result of path.resolve(). By monkey-patching Buffer internals, namely, Buffer.prototype.utf8Write, the application can modify the result of path.resolve(), which leads to a path traversal vulnerability.
This vulnerability affects all users using the experimental permission model in Node.js 20 and Node.js 21.
Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.
[
{
"cpes": [
"cpe:2.3:a:nodejs:nodejs:*:*:*:*:*:*:*:*"
],
"vendor": "nodejs",
"product": "nodejs",
"versions": [
{
"status": "affected",
"version": "21.6.1"
},
{
"status": "unaffected",
"version": "20.11.0"
}
],
"defaultStatus": "unknown"
}
]
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/CR:M/IR:M/AR:M
AI Score
Confidence
Low
SSVC
Exploitation
none
Automatable
no
Technical Impact
total