CVE-2020-3946 — HIGH (7.5) — White Hats Nepal

Q: What is CVE-2020-3946?

CVE-2020-3946 is a vulnerability with a CVSS score of 7.5 (HIGH). InstallBuilder AutoUpdate tool and regular installers enabling built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).

Vulnerability Description

InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Vmware	Installbuilder	< 19.11.0

Related Weaknesses (CWE)

CWE-776

References

https://blog.installbuilder.com/2019/12/configure-autoupdate-project-settings.htVendor Advisory
https://blog.installbuilder.com/2019/12/configure-autoupdate-project-settings.htVendor Advisory

FAQ

What is CVE-2020-3946?

CVE-2020-3946 is a vulnerability with a CVSS score of 7.5 (HIGH). InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).

How severe is CVE-2020-3946?

CVE-2020-3946 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3946?

Check the references section above for vendor advisories and patch information. Affected products include: Vmware Installbuilder.