HTTP Request Smuggling Affecting squid:4/libecap package, versions <0:1.0.1-2.module_el8.6.0+2741+01592ae8


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
18.94% (95th percentile)

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  • Snyk IDSNYK-ALMALINUX8-SQUID-5617128
  • published28 May 2023
  • disclosed3 Nov 2020

Introduced: 3 Nov 2020

CVE-2020-15049  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 squid:4/libecap to version 0:1.0.1-2.module_el8.6.0+2741+01592ae8 or higher.
This issue was patched in ALSA-2020:4743.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid:4/libecap package and not the squid:4/libecap package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.

CVSS Base Scores

version 3.1