What is the CVSS score of CVE-2019-5427?

CVE-2019-5427 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 4.9%.

Is there a public PoC exploit available for CVE-2019-5427?

Yes, a public proof-of-concept exploit is available for CVE-2019-5427. Prioritise patching immediately. EPSS: 4.9%.

Is there a patch available for CVE-2019-5427?

Yes, a patch is available for CVE-2019-5427. Update the affected software to the latest version immediately.

C3P0 CVE-2019-5427

Q: Which versions of C3P0 are affected by CVE-2019-5427?

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.. A patch is available.

HIGH

Improper Restriction of Recursive Entity References in DTDs (CWE-776)

2019-04-22 support@hackerone.com

Information Disclosure C3P0 Fedora Communications Ip Service Activator Communications Session Route Manager Documaker Enterprise Manager Base Platform Enterprise Manager Ops Center Flexcube Private Banking Hyperion Infrastructure Technology Retail Xstore Point Of Service Webcenter Sites

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 22, 2019 - 21:29 nvd

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

2,803 maven packages depend on com.mchange:c3p0 (66 direct, 2,743 indirect)

Ecosystem-wide dependent count for version 0.9.5.4.

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-776. 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 include: Mchange C3P0, Fedoraproject Fedora, Oracle Communications Ip Service Activator, Oracle Communications Session Route Manager, Oracle Documaker.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.