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OpenAdvisories
High · 7.5 Public exploit CVE-2019-5427 EUVD-2019-0409GHSA-84p2-vf58-xhxv

Billion laughs attack in c3p0

Published Apr 22, 2019 · Updated Aug 4, 2024 · Assigned by hackerone

Package: c3p0 Package: c3p0 Package: com.mchange:c3p0 Ecosystem: Debian Ecosystem: Maven Ecosystem: Ubuntu

Description

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.

Affected products

VendorProductAffectedFixed
— c3p0 before 0.9.5.4 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 c3p0 0.9.1.2-10.1 —
Debian 13 c3p0 0.9.1.2-10.1 —
Debian 12 c3p0 0.9.1.2-10.1~deb12u1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS c3p0 0.9.1.2-10ubuntu1 —
Ubuntu 22.04 LTS c3p0 0.9.1.2-10ubuntu1 —
Ubuntu 20.04 LTS c3p0 0.9.1.2-10ubuntu0.20.04.1 USN-5293-1
Ubuntu 18.04 LTS c3p0 0.9.1.2-9+deb8u1ubuntu0.18.04.1 USN-5293-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 16.04 LTS c3p0 0.9.1.2-9+deb8u1ubuntu0.16.04.1~esm1 USN-5293-2
Ubuntu Pro 14.04 LTS c3p0 0.9.1.2-9+deb8u1ubuntu0.14.04.1~esm1 USN-7571-1

SUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
SUSE Manager Server Module 4.2 c3p0 0.9.5.5-150300.4.6.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 grafana-formula 0.7.0-150300.3.6.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 hub-xmlrpc-api 0.7-150300.3.6.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 inter-server-sync 0.1.0-150300.8.12.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 mgr-osad 4.2.8-150300.2.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 mgr-push 4.2.5-150300.2.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 patterns-suse-manager 4.2-150300.4.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 prometheus-exporters-formula 1.2.0-150300.3.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 py26-compat-msgpack-python 0.4.6-150300.4.3.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 rhnlib +1 4.2.6-150300.4.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 saltboot-formula 0.1.1645440615.7f1328c-150300.3.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 smdba 1.7.10-0.150300.3.3.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacecmd 4.2.16-150300.4.18.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-admin 4.2.10-150300.3.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-backend 4.2.20-150300.4.18.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-branding 4.2.13-150300.3.9.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-certs-tools 4.2.15-150300.3.15.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-client-tools 4.2.18-150300.4.18.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-config 4.2.6-150300.3.6.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-java 4.2.34-150300.3.26.2 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 spacewalk-web 4.2.26-150300.3.18.2 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 subscription-matcher 0.29-150300.6.6.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 supportutils-plugin-susemanager 4.2.4-150300.3.6.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 susemanager 4.2.28-150300.3.22.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 susemanager-docs_en +1 4.2-150300.12.22.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 susemanager-schema 4.2.21-150300.3.18.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 susemanager-sls 4.2.21-150300.3.20.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.2 virtualization-formulas 0.6.2-150300.8.6.1 SUSE-SU-2022:1397-1
SUSE Manager Server Module 4.1 c3p0 0.9.5.5-3.3.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 dhcpd-formula 0.1.1641480250.d5bd14c-3.3.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 hub-xmlrpc-api 0.7-3.9.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 py26-compat-msgpack-python 0.4.6-3.6.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 py27-compat-salt 3000.3-6.21.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 spacecmd 4.1.17-4.36.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 spacewalk-java 4.1.44-3.66.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 spacewalk-web 4.1.32-3.42.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 susemanager 4.1.33-3.45.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 susemanager-docs_en +1 4.1-11.52.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 susemanager-schema 4.1.25-3.42.2 SUSE-SU-2022:0798-1
SUSE Manager Server Module 4.1 susemanager-sls 4.1.34-3.59.2 SUSE-SU-2022:0798-1

openSUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed c3p0 0.9.5.5-2.1 openSUSE-SU-2024:11961-1

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

EcosystemPackageAffectedFixedRecord
Maven com.mchange:c3p0 < 0.9.5.4 0.9.5.4 GHSA-84p2-vf58-xhxv

Advisories 8

References