netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

HTTP Request Smuggling

netty-codec-http2 is vulnerable to HTTP request smuggling. The vulnerability exists through an incomplete fix in CVE-2021-21295 where the content-length header is not properly validated if the request uses a single Http2HeaderFrame, and with endStream set to true...

DEBIAN-CVE-2021-21409

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

Design/Logic Flaw

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

CVE-2021-21409

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

CVE-2021-21409

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

UBUNTU-CVE-2021-21409

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

Possible request smuggling in HTTP/2 due missing validation of content-length

Impact The content-length header is not correctly validated if the request only use a single Http2HeaderFrame with the endStream set to to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1 This is a followup of...

GHSA-F256-J965-7F32 Possible request smuggling in HTTP/2 due missing validation of content-length

Impact The content-length header is not correctly validated if the request only use a single Http2HeaderFrame with the endStream set to to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1 This is a followup of...

CVE-2021-21409

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Squid vulnerabilities (USN-4895-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4895-1 advisory. Alex Rousskov and Amit Klein discovered that Squid incorrectly handled certain Content-Length headers. A remote attacker could...

USN-4895-1 squid, squid3 vulnerabilities

Alex Rousskov and Amit Klein discovered that Squid incorrectly handled certain Content-Length headers. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. This issue only affected Ubuntu 20.04 LTS. CVE-2020-15049 Jianjun Chen...

netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

openSUSE Security Update : netty (openSUSE-2021-448)

This update for netty fixes the following issues : - CVE-2021-21295: Fixed an improper Content-Length header field validation bsc1183262. : This update was imported from the SUSE:SLE-15-SP2:Update update project. C Tenable Network Security, Inc. The descriptive text and package checks in this...

OPENSUSE-SU-2021:0448-1 Security update for netty

This update for netty fixes the following issues: - CVE-2021-21295: Fixed an improper Content-Length header field validation bsc1183262. : This update was imported from the SUSE:SLE-15-SP2:Update update project...

Security update for netty (moderate)

openSUSE Security Update: Security update for netty Announcement ID: openSUSE-SU-2021:0448-1 Rating: moderate References: 1183262 Cross-References: CVE-2021-21295 CVSS scores: CVE-2021-21295 SUSE: 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Affected Products: openSUSE Leap 15.2 An update tha...

HTTP Request Smuggling

netty-codec-http2 is vulnerable to HTTP request smuggling. The Content-Length header is not validated and allows an attacker to smuggle requests as requests are downgraded from HTTP/2 to HTTP/1.1...

CVE-2021-21295

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a...

DEBIAN-CVE-2021-21295

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a...

Design/Logic Flaw

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a...