CVE-2017-7185: Use After Free
First published: Mon Apr 10 2017(Updated: )
Use-after-free vulnerability in the mg_http_multipart_wait_for_boundary function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.7 and earlier and Mongoose OS 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a multipart/form-data POST request without a MIME boundary string.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cesanta Mongoose Embedded Web Server Library | <=6.7 | |
| Cesanta Mongoose Os | <=1.2 |
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Reference Links
- http://www.securityfocus.com/archive/1/540355/100/0/threaded
- http://www.securityfocus.com/bid/97370
- https://github.com/cesanta/mongoose-os/commit/042eb437973a202d00589b13d628181c6de5cf5b
- https://github.com/cesanta/mongoose/commit/b8402ed0733e3f244588b61ad5fedd093e3cf9cc
- https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CVE-2017-7185_mongoose_os_use_after_free.txt
- https://www.exploit-db.com/exploits/41826/
Frequently Asked Questions
What is the severity of CVE-2017-7185?
CVE-2017-7185 has a severity rating that indicates it could lead to a denial-of-service condition.
How do I fix CVE-2017-7185?
To fix CVE-2017-7185, upgrade to Cesanta Mongoose Embedded Web Server Library version 6.8 or later or Mongoose OS version 1.3 or later.
What types of systems are affected by CVE-2017-7185?
CVE-2017-7185 affects systems using Cesanta Mongoose Embedded Web Server Library versions up to 6.7 and Mongoose OS versions up to 1.2.
What impact does CVE-2017-7185 have on applications?
CVE-2017-7185 allows remote attackers to crash applications by sending specially crafted multipart/form-data POST requests.
Is CVE-2017-7185 a remote exploit?
Yes, CVE-2017-7185 is a remote exploit as it can be triggered by sending crafted requests over the network.
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