NULL Pointer Dereference Affecting mod_proxy_html package, versions <1:2.4.37-47.module+el8.6.0+823+f143cee1.1


Severity

Recommended
low

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
1.52% (87th percentile)

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  • Snyk IDSNYK-ROCKY8-MODPROXYHTML-3197771
  • published5 Jan 2023
  • disclosed10 Jun 2021

Introduced: 10 Jun 2021

CVE-2020-13950  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 mod_proxy_html to version 1:2.4.37-47.module+el8.6.0+823+f143cee1.1 or higher.
This issue was patched in RLSA-2022:5163.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod_proxy_html package and not the mod_proxy_html package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service

References

CVSS Scores

version 3.1