What is CVE-2019-6739?

CVE-2019-6739 is a high-severity vulnerability in Malwarebytes Antimalware, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-06-03.

How severe is CVE-2019-6739?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2019-6739 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Malwarebytes Antimalware

CVE-2019-6739

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Malwarebytes Antimalware 3.6.1.2711. User interaction is required to exploit this vulnerability in that the target must visit a malicious web page. There is an issue with the way the product handles URIs within certain schemes. The product does not warn the user that a dangerous navigation is about to take place. Because special characters in the URI are not sanitized, this could lead to the execution of arbitrary commands. An attacker can leverage this vulnerability to execute code in the context of the current user at medium integrity. Was ZDI-CAN-7162.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.099 (95.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Malwarebytes Antimalware — versions 3.6.1.2711

Weakness classification (CWE)

Public proof-of-concept exploits

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-6739?: CVE-2019-6739 is a high-severity vulnerability in Malwarebytes Antimalware, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-06-03.
How severe is CVE-2019-6739?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-6739 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.