CWE
444
Advisory Published
Updated

CVE-2024-35161: Apache Traffic Server: Incomplete check for chunked trailer section allows request smuggling

First published: Fri Jul 26 2024(Updated: )

Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users can set a new setting (proxy.config.http.drop_chunked_trailers) not to forward chunked trailer section. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache Traffic Server>=8.0.0<8.1.11
Apache Traffic Server>=9.0.0<9.2.5

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Frequently Asked Questions

  • What is the severity of CVE-2024-35161?

    CVE-2024-35161 has a medium severity rating due to its potential for request smuggling and cache poisoning.

  • How do I fix CVE-2024-35161?

    To fix CVE-2024-35161, upgrade Apache Traffic Server to version 8.1.11 or higher, or 9.2.5 or higher.

  • What versions are affected by CVE-2024-35161?

    CVE-2024-35161 affects Apache Traffic Server versions from 8.0.0 to 8.1.10 and from 9.0.0 to 9.2.4.

  • Can CVE-2024-35161 lead to data leakage?

    Yes, if exploited, CVE-2024-35161 could potentially allow attackers to smuggle requests leading to unauthorized data access.

  • What are the potential impacts of CVE-2024-35161?

    The potential impacts of CVE-2024-35161 include request smuggling and cache poisoning, which can disrupt service and compromise data integrity.

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