c3p0 up to 0.9.5.3 XML Configuration resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in c3p0 up to 0.9.5.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component XML Configuration Handler. This manipulation causes resource management. The identification of this vulnerability is CVE-2019-5427. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in c3p0 up to 0.9.5.3 and classified as problematic. Affected by this vulnerability is an unknown part of the component XML Configuration Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

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.

The bug was discovered 04/16/2019. The weakness was shared 04/22/2019 (Website). The advisory is shared at lists.fedoraproject.org. This vulnerability is known as CVE-2019-5427 since 01/04/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 253292 (Linux Distros Unpatched Vulnerability : CVE-2019-5427), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.9.5.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (253292) and CERT Bund (WID-SEC-2025-1905). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • IBM QRadar SIEM

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 253292
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-5427

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: c3p0 0.9.5.4

Timelineinfo

01/04/2019 🔍
04/16/2019 +102 days 🔍
04/22/2019 +6 days 🔍
04/23/2019 +1 days 🔍
09/05/2025 +2327 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-063672154a
Status: Confirmed

CVE: CVE-2019-5427 (🔍)
GCVE (CVE): GCVE-0-2019-5427
GCVE (VulDB): GCVE-100-133969
CERT Bund: WID-SEC-2025-1905 - IBM QRadar SIEM Komponente: Mehrere Schwachstellen

Entryinfo

Created: 04/23/2019 09:07
Updated: 09/05/2025 19:30
Changes: 04/23/2019 09:07 (55), 06/01/2020 14:12 (2), 09/06/2023 14:45 (4), 08/24/2025 05:17 (19), 08/27/2025 01:24 (7), 09/05/2025 19:30 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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