Resource Exhaustion Affecting jbcs-httpd24-httpd-manual package, versions <0:2.4.37-57.jbcs.el7


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
50.66% (98th percentile)

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  • Snyk IDSNYK-RHEL7-JBCSHTTPD24HTTPDMANUAL-3625233
  • published26 Jul 2021
  • disclosed24 Jun 2019

Introduced: 24 Jun 2019

CVE-2018-20843  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:7 jbcs-httpd24-httpd-manual to version 0:2.4.37-57.jbcs.el7 or higher.
This issue was patched in RHSA-2020:2644.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jbcs-httpd24-httpd-manual package and not the jbcs-httpd24-httpd-manual package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

References

CVSS Scores

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