Spoofing attack in Internet Explorer and Edge

Published: 2019-10-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-0608 CVE-2019-1357
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Microsoft Internet Explorer Client/Desktop applications / Web browsers Microsoft Edge Client/Desktop applications / Web browsers
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU21632

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-0608

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to insufficient validation of HTTP response headers. A remote attacker that controls a web server can send specially crafted HTTP response headers and impersonate a user request by crafting HTTP queries.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 9 - 11

Microsoft Edge: All versions

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0608

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU21633