Use After Free in Cesanta Mongoose Embedded Web Server Library

CVE-2017-7185

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.

Vulnerability class: Use-After-Free

EPSS: 0.123 (95.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-7185?
CVE-2017-7185 is a high-severity vulnerability in Cesanta Mongoose Embedded Web Server Library, classified under Use After Free. CVSS score: 7.5/10. Published 2017-04-10.
How severe is CVE-2017-7185?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-7185 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.