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Vulnerability record · CVE-2018-10868 · published 26 May 2021

CVE-2018-10868: Redhat certification uncontrolled resource consumption vulnerability

Redhat · Certification

redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a "Billion Laugh Attack" by replying to XMLRPC methods when getting the status of an host.

7.5 CVSS 3.1 High EPSS 1.1% · top 35.6% CWE-400 · Uncontrolled resource consumptionCWE-776 · CWE-776
7.5CVSS 3.1 base score, v2 5.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a "Billion Laugh Attack" by replying to XMLRPC methods when getting the status of an host.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2018-10868 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1593776 Issue TrackingVendor Advisory
https://access.redhat.com/security/cve/CVE-2018-10868 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1593776 Issue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-10870Redhat certification path traversal vulnerabilityredhat-certification does not properly sanitize paths in rhcertStore.py:__saveResultsFile. A remote attacker could use this flaw to overwrite any fil…EPSS 6.1%9.1CVE-2018-10866Redhat certification missing authorization vulnerabilityIt was discovered that the /configuration view of redhat-certification 7 does not perform an authorization check and it allows an unauthenticated use…EPSS 1.0%9.1CVE-2018-10867Redhat certification vulnerabilityFiles are accessible without restrictions from the /update/results page of redhat-certification 7 package, allowing an attacker to remove any file ac…EPSS 1.1%7.5CVE-2018-10863Redhat certification vulnerabilityIt was discovered that redhat-certification 7 is not properly configured and it lists all files and directories in the /var/www/rhcert/store/transfer…EPSS 1.1%7.5CVE-2018-10865Redhat certification missing authorization vulnerabilityIt was discovered that the /configuration view of redhat-certification 7 does not perform an authorization check and it allows an unauthenticated use…EPSS 1.0%7.5CVE-2018-10869Redhat certification incorrect permission assignment vulnerabilityredhat-certification does not properly restrict files that can be download through the /download page. A remote attacker may download any file access…EPSS 2.7%6.2CVE-2018-10864Redhat certification uncontrolled resource consumption vulnerabilityAn uncontrolled resource consumption flaw has been discovered in redhat-certification in the way documents are loaded. A remote attacker may provide …EPSS 1.2%5.3CVE-2019-3897Redhat certification vulnerabilityIt has been discovered in redhat-certification that any unauthorized user may download any file under /var/www/rhcert, provided they know its name. R…EPSS 0.91%

Source: NIST National Vulnerability Database (record CVE-2018-10868), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.