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VULNERABILITIES

CVE-2019-5427 Details

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.

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CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://hackerone.com/reports/509315 CVEExploitIssue TrackingPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/ CVEThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/ CVEThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html CVEThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html CVEThird Party Advisory

see all 16 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-776Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')[email protected]
CWE-776Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')[email protected]

Affected Products

ProductVersions

Change History

16 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-5427
NVD Published Date:
Apr 22, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-5427 Details - Not Deferred