CVE-2018-20452

High

Description

The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c.

SeverityHigh

CVSS8.8

Exploit probability—

ProductLibxls

PublishedDec 25, 2018

First seenDec 25, 2018

How to fix

Vendor advisories

security.gentoo.org/glsa/202003-64

Affected products

Product	Affected versions	Fixed in
libxls_project libxls	1.4.0	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.