PT-2019-2684 · Microsoft · Office

Published 2019-07-09 · Updated 2019-07-29 · CVE-2019-1109

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Office (affected versions not specified)

Description A spoofing issue exists due to Microsoft Office Javascript not validating the web page requesting access to Office documents. This could allow an attacker to read or write information in Office documents. The security update corrects how Microsoft Office Javascript verifies trusted web pages.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-20

CWE-290

Related Identifiers

BDU:2019-02571

CVE-2019-1109

Affected Products

Office

References · 7

• https://bdu.fstec.ru/vul/2019-02571 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1109 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-1109 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1109 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-1109 · Vendor Advisory
• https://rapid7.com/db/vulnerabilities/msft-cve-2019-1109 · Note
• https://mag-securs.com/alertes/artmid/1894/articleid/65303/microsoft-office-365-proplus2013-rt-sp12013-sp120162019-javascript-spoofing.aspx · Note