CVE Vulnerabilities

CVE-2018-20433

Improper Restriction of XML External Entity Reference

Published: Dec 24, 2018 | Modified: Nov 21, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
7.3 MODERATE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Ubuntu
MEDIUM

c3p0 0.9.5.2 allows XXE in extractXmlConfigFromInputStream in com/mchange/v2/c3p0/cfg/C3P0ConfigXmlUtils.java during initialization.

Weakness

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Affected Software

Name Vendor Start Version End Version
C3p0 Mchange 0.9.5.2 (including) 0.9.5.2 (including)
C3p0 Ubuntu bionic *
C3p0 Ubuntu cosmic *
C3p0 Ubuntu esm-apps/bionic *
C3p0 Ubuntu esm-apps/xenial *
C3p0 Ubuntu esm-infra-legacy/trusty *
C3p0 Ubuntu trusty *
C3p0 Ubuntu trusty/esm *
C3p0 Ubuntu upstream *
C3p0 Ubuntu xenial *

Potential Mitigations

References