Same-Origin policy bypass in Internet Explorer and Edge

Published: 2019-08-14 | Updated: 2019-08-14
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-1192
CWE ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software Microsoft Internet Explorer Subscribe
Microsoft Edge
Vendor Microsoft

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Permissions, privileges, and access controls

Severity: Medium

CVSSv3: 5.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1192

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect processing of requests with different origins. A remote attacker can create a specially crafted webpage, trick the victim into opening it, bypass implemented Same-Origin Policy (SOP) restrictions and gain access to information, related to another domain. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 10, 11

Microsoft Edge: -

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1192

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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.