Puma with proxy which forwards LF characters as line endings could allow HTTP request smuggling

Impact Prior to puma version 5.5.0, using puma with a proxy which forwards LF characters as line endings could allow HTTP request smuggling. A client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. This behavior forwarding LF character...

HTTP Request Smuggling

Overview puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. It's great for highly concurrent Ruby implementations such as Rubinius and JRuby as well as as providing process...

CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

DEBIAN-CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

Cross site request forgery (csrf)

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

UBUNTU-CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

CVE-2021-41136

Summary: CVE-2021-41136 affects Puma HTTP/1.1 server for Ruby/Rack. When used with a proxy that forwards HTTP header values containing LF, an attacker could smuggle a request through the proxy, potentially causing the proxy to send a response to a different client. This behavior has been observed...

CVE-2021-41136 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in puma

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a...

Puma 环境问题漏洞

Puma is a web server for highly concurrent applications by Evan Phoenix, an individual developer in the United States. Puma is vulnerable to an environmental issue that arises from improper design or implementation during code development of a web system or product...

PT-2021-8119 · Apache +5 · Apache Traffic Server +6

Name of the Vulnerable Software and Affected Versions: Puma versions prior to 5.5.1 and 4.3.9 Description: The issue is related to HTTP request smuggling when using Puma with a proxy that forwards HTTP header values containing the LF character. This could allow a client to smuggle a request throu...

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in puma

Impact Prior to puma version 5.5.0, using puma with a proxy which forwards LF characters as line endings could allow HTTP request smuggling. A client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. This behavior forwarding LF character...

A week in security (Sept 13 – Sept 19)

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SUSE-SU-2021:2914-1 Security update for rubygem-puma

This update for rubygem-puma fixes the following issues: - CVE-2021-29509: Incomplete fix for CVE-2019-16770 allows Denial of Service bsc1188527...

SUSE-SU-2021:2761-1 Security update for rubygem-puma

This update for rubygem-puma fixes the following issues: - CVE-2021-29509: Incomplete fix for CVE-2019-16770 allows Denial of Service bsc1188527...

OESA-2021-1203 rubygem-puma security update

A simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Security Fixes: Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accept...

CVE-2021-29509

A flaw was found in rubygem-puma. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same process. However, new connections...