CVE-2019-5427

high-risk
Published 2019-04-22

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.

Do I need to act?

~
3.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (19)

C3P0

Affected Vendors

Oracle Fedoraproject Mchange

References (16)

Exploit https://hackerone.com/reports/509315
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory 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
Exploit https://hackerone.com/reports/509315
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory 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
52
/ 100
high-risk
Severity 26/34 · High
Exploitability 7/34 · Low
Exposure 19/34 · Moderate