CVE-2022-25299 Arbitrary File Write

2022-02-1812:55:21

snyk

www.cve.org

arbitrary file write

cesanta/mongoose

mg_http_upload()

unsafe handling of file names

attackers

arbitrary locations

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.003

Percentile

69.2%

JSON

This affects the package cesanta/mongoose before 7.6. The unsafe handling of file names during upload using mg_http_upload() method may enable attackers to write files to arbitrary locations outside the designated target folder.

CNA Affected

[
  {
    "product": "cesanta/mongoose",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "7.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]