CVE-2019-5427

c3p0: loading XML configuration leads to denial of service

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.

En c3p0 versiones <0.9.5.4, puede ser explotada por un ataque de tipo a billion laughs al cargar la configuración XML producto de la falta de protecciones faltantes contra la expansión recursiva de la entidad al cargar la configuración.

This release of Red Hat Fuse 7.6.0 serves as a replacement for Red Hat Fuse 7.5, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include code execution, cross site scripting, denial of service, deserialization, and information leakage vulnerabilities.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-04 CVE Reserved
2019-04-22 CVE Published
2020-12-13 First Exploit
2024-08-04 CVE Updated
2025-04-03 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CAPEC

References (11)

URL	Tag	Source
https://www.oracle.com/security-alerts/cpuapr2020.html	Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html	Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html	Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html	Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html	Third Party Advisory

URL	Date	SRC
https://github.com/shanika04/cp30_XXE_partial_fix	2020-12-13
https://hackerone.com/reports/509315	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-5427	2020-03-26
https://bugzilla.redhat.com/show_bug.cgi?id=1709860	2020-03-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mchange Search vendor "Mchange"		C3p0 Search vendor "Mchange" for product "C3p0"				< 0.9.5.2 Search vendor "Mchange" for product "C3p0" and version " < 0.9.5.2"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Oracle Search vendor "Oracle"		Communications Ip Service Activator Search vendor "Oracle" for product "Communications Ip Service Activator"				7.3.0 Search vendor "Oracle" for product "Communications Ip Service Activator" and version "7.3.0"		-		Affected
Oracle Search vendor "Oracle"		Communications Ip Service Activator Search vendor "Oracle" for product "Communications Ip Service Activator"				7.4.0 Search vendor "Oracle" for product "Communications Ip Service Activator" and version "7.4.0"		-		Affected
Oracle Search vendor "Oracle"		Communications Session Route Manager Search vendor "Oracle" for product "Communications Session Route Manager"				>= 8.2.0 <= 8.2.2 Search vendor "Oracle" for product "Communications Session Route Manager" and version " >= 8.2.0 <= 8.2.2"		-		Affected
Oracle Search vendor "Oracle"		Documaker Search vendor "Oracle" for product "Documaker"				>= 12.6.0 <= 12.6.6 Search vendor "Oracle" for product "Documaker" and version " >= 12.6.0 <= 12.6.6"		-		Affected
Oracle Search vendor "Oracle"		Enterprise Manager Base Platform Search vendor "Oracle" for product "Enterprise Manager Base Platform"				13.2.1.0 Search vendor "Oracle" for product "Enterprise Manager Base Platform" and version "13.2.1.0"		-		Affected
Oracle Search vendor "Oracle"		Enterprise Manager Ops Center Search vendor "Oracle" for product "Enterprise Manager Ops Center"				12.4.0.0 Search vendor "Oracle" for product "Enterprise Manager Ops Center" and version "12.4.0.0"		-		Affected
Oracle Search vendor "Oracle"		Flexcube Private Banking Search vendor "Oracle" for product "Flexcube Private Banking"				12.0.0 Search vendor "Oracle" for product "Flexcube Private Banking" and version "12.0.0"		-		Affected
Oracle Search vendor "Oracle"		Flexcube Private Banking Search vendor "Oracle" for product "Flexcube Private Banking"				12.1.0 Search vendor "Oracle" for product "Flexcube Private Banking" and version "12.1.0"		-		Affected
Oracle Search vendor "Oracle"		Hyperion Infrastructure Technology Search vendor "Oracle" for product "Hyperion Infrastructure Technology"				11.1.2.4 Search vendor "Oracle" for product "Hyperion Infrastructure Technology" and version "11.1.2.4"		-		Affected
Oracle Search vendor "Oracle"		Retail Xstore Point Of Service Search vendor "Oracle" for product "Retail Xstore Point Of Service"				15.0 Search vendor "Oracle" for product "Retail Xstore Point Of Service" and version "15.0"		-		Affected
Oracle Search vendor "Oracle"		Retail Xstore Point Of Service Search vendor "Oracle" for product "Retail Xstore Point Of Service"				16.0 Search vendor "Oracle" for product "Retail Xstore Point Of Service" and version "16.0"		-		Affected
Oracle Search vendor "Oracle"		Retail Xstore Point Of Service Search vendor "Oracle" for product "Retail Xstore Point Of Service"				17.0 Search vendor "Oracle" for product "Retail Xstore Point Of Service" and version "17.0"		-		Affected
Oracle Search vendor "Oracle"		Retail Xstore Point Of Service Search vendor "Oracle" for product "Retail Xstore Point Of Service"				18.0 Search vendor "Oracle" for product "Retail Xstore Point Of Service" and version "18.0"		-		Affected
Oracle Search vendor "Oracle"		Retail Xstore Point Of Service Search vendor "Oracle" for product "Retail Xstore Point Of Service"				19.0 Search vendor "Oracle" for product "Retail Xstore Point Of Service" and version "19.0"		-		Affected
Oracle Search vendor "Oracle"		Webcenter Sites Search vendor "Oracle" for product "Webcenter Sites"				12.2.1.3.0 Search vendor "Oracle" for product "Webcenter Sites" and version "12.2.1.3.0"		-		Affected
Oracle Search vendor "Oracle"		Webcenter Sites Search vendor "Oracle" for product "Webcenter Sites"				12.2.1.4.0 Search vendor "Oracle" for product "Webcenter Sites" and version "12.2.1.4.0"		-		Affected