HTTP Request Smuggling Affecting varnish-docs package, versions <0:6.0.6-2.module+el8.3.0+179+20b582cc


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.12% (33rd percentile)

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  • Snyk IDSNYK-ROCKY8-VARNISHDOCS-3287190
  • published3 Feb 2023
  • disclosed14 Jul 2021

Introduced: 14 Jul 2021

CVE-2021-36740  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 varnish-docs to version 0:6.0.6-2.module+el8.3.0+179+20b582cc or higher.
This issue was patched in RLSA-2021:2988.

NVD Description

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

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

CVSS Base Scores

version 3.1