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CVE-2020-11076: Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)

May 22, 2020 (updated October 7, 2020)

In GitLab Puma (RubyGem), an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-11076

Code Behaviors & Features

Detect and mitigate CVE-2020-11076 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions starting from 3.0.0 before 3.12.6, all versions starting from 4.0.0 before 4.3.5

Fixed versions

  • 4.3.5.gitlab.3

Solution

Upgrade to version 4.3.5.gitlab.3 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Source file

gem/gitlab-puma/CVE-2020-11076.yml

Spotted a mistake? Edit the file on GitLab.

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