suse-su-2022:2047-1
Vulnerability from csaf_suse
Published
2022-06-13 07:19
Modified
2022-06-13 07:19
Summary
Security update for netty3

Notes

Title of the patch
Security update for netty3
Description of the patch
This update for netty3 fixes the following issues: - CVE-2021-43797: Fixed a potential HTTP request smuggling issue due to insufficient validation against control characters (bsc#1193672).
Patchnames
SUSE-2022-2047,SUSE-SLE-Module-Development-Tools-15-SP3-2022-2047,SUSE-SLE-Module-Development-Tools-15-SP4-2022-2047,openSUSE-SLE-15.3-2022-2047,openSUSE-SLE-15.4-2022-2047
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
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      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
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    },
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        "title": "Title of the patch"
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        "text": "This update for netty3 fixes the following issues:\n\n- CVE-2021-43797: Fixed a potential HTTP request smuggling issue due to\n  insufficient validation against control characters (bsc#1193672).\n",
        "title": "Description of the patch"
      },
      {
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        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
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    "publisher": {
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      },
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        "category": "self",
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        "url": "https://www.suse.com/security/cve/CVE-2021-43797/"
      }
    ],
    "title": "Security update for netty3",
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          "text": "https://www.suse.com/security/cve/CVE-2021-43797"
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        {
          "category": "general",
          "text": "Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers \u0026 clients. Netty prior to version 4.1.71.Final skips control chars when they are present at the beginning / end of the header name. It should instead fail fast as these are not allowed by the spec and could lead to HTTP request smuggling. Failing to do the validation might cause netty to \"sanitize\" header names before it forward these to another remote system when used as proxy. This remote system can\u0027t see the invalid usage anymore, and therefore does not do the validation itself. Users should upgrade to version 4.1.71.Final.",
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}


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