high
7.5
CWE
776
Advisory Published
CVE Published
Updated

CVE-2019-5427

First published: Wed Apr 17 2019(Updated: )

c3p0 version &lt; 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. References: <a href="https://hackerone.com/reports/509315">https://hackerone.com/reports/509315</a> <a href="http://www.cvedetails.com/cve/CVE-2019-5427/">http://www.cvedetails.com/cve/CVE-2019-5427/</a> Upstream commit: <a href="https://github.com/swaldman/c3p0/commit/f38f27635c384806c2a9d6500d80183d9f09d78b">https://github.com/swaldman/c3p0/commit/f38f27635c384806c2a9d6500d80183d9f09d78b</a>

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
Mchange C3p0<0.9.5.2
Fedoraproject Fedora=29
Fedoraproject Fedora=30
Oracle Communications Ip Service Activator=7.3.0
Oracle Communications Ip Service Activator=7.4.0
Oracle Communications Session Route Manager>=8.2.0<=8.2.2
Oracle Documaker>=12.6.0<=12.6.6
Oracle Enterprise Manager Base Platform=13.2.1.0
Oracle Enterprise Manager Ops Center=12.4.0.0
Oracle FLEXCUBE Private Banking=12.0.0
Oracle FLEXCUBE Private Banking=12.1.0
Oracle Hyperion Infrastructure Technology=11.1.2.4
Oracle Retail Xstore Point of Service=15.0
Oracle Retail Xstore Point of Service=16.0
Oracle Retail Xstore Point of Service=17.0
Oracle Retail Xstore Point of Service=18.0
Oracle Retail Xstore Point of Service=19.0
Oracle WebCenter Sites=12.2.1.3.0
Oracle WebCenter Sites=12.2.1.4.0

Remedy

https://hackerone.com/reports/509315

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2019-5427?

    CVE-2019-5427 refers to a vulnerability in c3p0 version < 0.9.5.4 that can be exploited by a billion laughs attack when loading XML configuration.

  • How severe is CVE-2019-5427?

    CVE-2019-5427 has a severity value of 7.5, which is considered high.

  • Which software versions are affected by CVE-2019-5427?

    c3p0 versions prior to 0.9.5.4 are affected by CVE-2019-5427.

  • What is the remedy for CVE-2019-5427?

    To fix CVE-2019-5427, update c3p0 to version 0.9.5.4 or later.

  • Where can I find more information about CVE-2019-5427?

    More information about CVE-2019-5427 can be found at the following references: 1. HackerOne report: https://hackerone.com/reports/509315 2. CVE Details: http://www.cvedetails.com/cve/CVE-2019-5427/ 3. GitHub commit: https://github.com/swaldman/c3p0/commit/f38f27635c384806c2a9d6500d80183d9f09d78b

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