CVE-2019-1445 Other in Office Online Server

Medium 5.4 Published Updated

Attackers can spoof origins in cross-origin communications due to improper validation in Microsoft Office Online Server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-1445?

CVE-2019-1445 is a medium-severity vulnerability in Microsoft Office Online Server, published on 12 Nov 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications handlers correctly, aka 'Microsoft Office Online Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-1447.

Weakness: CWE-346

Which versions are affected by CVE-2019-1445?

It affects 1 product.

Products include Microsoft Office Online Server.

How do I fix CVE-2019-1445?

No fix has been published for CVE-2019-1445 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1445 being exploited?

There is no known exploitation of CVE-2019-1445 in the wild and no public exploit code.

All Microsoft Office Online Server vulnerabilities

Sources

Also known as GHSA-8r62-7p87-f58m.

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