CVE-2017-0037

CVE-2017-0037 is a high-severity (CVSS 8.1) vulnerability in Microsoft Edge and Internet Explorer. CISA added it to the Known Exploited Vulnerabilities catalog on March 28, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 18, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allows remote attackers to execute arbitrary code via vectors involving a crafted Cascading Style Sheets (CSS) token sequence and crafted JavaScript code that operates on a TH element.

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

• http://www.securityfocus.com/bid/96088
• http://www.securitytracker.com/id/1037905
• http://www.securitytracker.com/id/1037906
• https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.html
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1011
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037
• https://www.exploit-db.com/exploits/41454/
• https://www.exploit-db.com/exploits/42354/