Server-Side Request Forgery (SSRF) Affecting mod24_proxy_html package, versions <1:2.4.52-1.95.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
10.96% (94th percentile)

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  • Snyk IDSNYK-AMZN201803-MOD24PROXYHTML-2348194
  • published20 Jan 2022
  • disclosed20 Dec 2021

Introduced: 20 Dec 2021

CVE-2021-44224  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 mod24_proxy_html to version 1:2.4.52-1.95.amzn1 or higher.
This issue was patched in ALAS-2022-1560.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod24_proxy_html package and not the mod24_proxy_html package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).

References

CVSS Base Scores

version 3.1