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

Severity

 Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    1.01% (85th percentile)

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  • Snyk ID SNYK-ALMALINUX8-SQUID-5617124
  • published 28 May 2023
  • disclosed 3 Nov 2020
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Introduced: 3 Nov 2020

CVE-2020-15049 Open this link in a new tab
CWE-444 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:8 squid:4/libecap-devel 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-devel package and not the squid:4/libecap-devel 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.

References

CVSS Scores

version 3.1
Expand this section

NVD

8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

8.5 high
Expand this section

Red Hat

8.5 high