CVE Vulnerabilities

CVE-2020-15303

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Published: Jun 28, 2021 | Modified: Jul 02, 2021
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

Infoblox NIOS before 8.5.2 allows entity expansion during an XML upload operation, a related issue to CVE-2003-1564.

Weakness

The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.

Affected Software

Name Vendor Start Version End Version
Nios Infoblox 8.4.0 (including) 8.4.8 (including)
Nios Infoblox 8.5.0 (including) 8.5.0 (including)
Nios Infoblox 8.5.1 (including) 8.5.1 (including)

Potential Mitigations

References