Arbitrary File Write Affecting cesanta/mongoose package, versions [,7.6)
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.13% (47th
percentile)
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Test your applications- Snyk ID SNYK-UNMANAGED-CESANTAMONGOOSE-2404180
- published 13 Feb 2022
- disclosed 13 Feb 2022
- credit Snyk Security Team
Introduced: 13 Feb 2022
CVE-2022-25299 Open this link in a new tabHow to fix?
Upgrade cesanta/mongoose to version 7.6 or higher.
Overview
cesanta/mongoose is a networking library for C/C++. It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, MQTT.
Affected versions of this package are vulnerable to Arbitrary File Write.
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.
PoC by Snyk
Based on the file-upload example.
curl -X POST --data "pwned" "http://localhost:8000/upload?name=../pwned"