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HTTP Request Smuggling in reel

High severity GitHub Reviewed Published May 24, 2021 to the GitHub Advisory Database • Updated Jan 23, 2023

Package

bundler reel (RubyGems)

Affected versions

<= 0.6.1

Patched versions

None

Description

reel through 0.6.1 allows Request Smuggling attacks due to incorrect Content-Length and Transfer encoding header parsing. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furthermore, invalid Transfer Encoding headers were found to be parsed as valid which could be leveraged for TECL smuggling attacks. Note, This project is deprecated, and is not maintained any more.

References

Published by the National Vulnerability Database Jun 1, 2020
Reviewed May 14, 2021
Published to the GitHub Advisory Database May 24, 2021
Last updated Jan 23, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CVE ID

CVE-2020-7659

GHSA ID

GHSA-x3v4-pxvm-63j8

Source code

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