CVE-2018-8383 — A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP

A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8388.

01What is this vulnerability?

A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8388.

02Affected products

Vendor	Product	Versions
Microsoft	Microsoft Edge	Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-08-15T17:00:00.000Z
• Last modified: 2024-08-05T06:54:36.006Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/105024
• www.securitytracker.com — http://www.securitytracker.com/id/1041457
• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8383
• seclists.org — https://seclists.org/bugtraq/2019/Apr/21
• www.openwall.com — http://www.openwall.com/lists/oss-security/2019/04/11/1