Resource Exhaustion Affecting jbcs-httpd24-httpd-manual package, versions <0:2.4.37-33.jbcs.el7


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
5.34% (94th percentile)

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  • Snyk IDSNYK-RHEL7-JBCSHTTPD24HTTPDMANUAL-3623836
  • published26 Jul 2021
  • disclosed13 Aug 2019

Introduced: 13 Aug 2019

CVE-2019-9513  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:7 jbcs-httpd24-httpd-manual to version 0:2.4.37-33.jbcs.el7 or higher.
This issue was patched in RHSA-2019:3933.

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.

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.

References

CVSS Scores

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