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...

Mēris Botnet Hit Russia's Yandex With Massive 22 Million RPS DDoS Attack

Russian internet giant Yandex has been the target of a record-breaking distributed denial-of-service DDoS attack by a new botnet called Mēris. The botnet is believed to have pummeled the company's web infrastructure with millions of HTTP requests, before hitting a peak of 21.8 million requests pe...

Yandex Pummeled by Potent Meris DDoS Botnet

Technical details tied to a record-breaking distributed-denial-of-service DDoS attack against Russian internet behemoth Yandex are surfacing as the digital dust settles. A massive botnet, dubbed Mēris, is believed responsible, flooding Yandex with millions of HTTP requests for webpages at the sam...

HTTP Request Smuggling in netius

netius prior to 1.17.58 is vulnerable to HTTP Request Smuggling. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Transfer encoding header parsing which could allow for CL:TE or TE:TE attacks...

EulerOS Virtualization for ARM 64 3.0.6.0 : python-waitress (EulerOS-SA-2020-2049)

According to the versions of the python-waitress package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - Waitress through version 1.3.1 would parse the Transfer-Encoding header and only look for a single string valu...

HTTP Request smuggling through malformed Transfer Encoding headers

HTTP pipelining issues and request smuggling attacks are possible due to incorrect Transfer encoding header parsing. It is possible conduct HTTP request smuggling attacks CL:TE/TE:TE by sending invalid Transfer Encoding headers. By manipulating the HTTP response the attacker could poison a...

RUSTSEC-2020-0031 HTTP Request smuggling through malformed Transfer Encoding headers

HTTP pipelining issues and request smuggling attacks are possible due to incorrect Transfer encoding header parsing. It is possible conduct HTTP request smuggling attacks CL:TE/TE:TE by sending invalid Transfer Encoding headers. By manipulating the HTTP response the attacker could poison a...

CVE-2020-7670

agoo prior to 2.14.0 allows request smuggling attacks where agoo is used as a backend and a frontend proxy also being vulnerable. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Content-Length and Transfer encoding header parsing. It is possible to conduct...

Design/Logic Flaw

agoo prior to 2.14.0 allows request smuggling attacks where agoo is used as a backend and a frontend proxy also being vulnerable. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Content-Length and Transfer encoding header parsing. It is possible to conduct...

CVE-2020-7670

Agoo prior to 2.14.0 is affected. The issue arises from incorrect parsing of Content-Length and Transfer-Encoding headers, enabling HTTP request smuggling when Agoo is used as a backend and a frontend proxy in a chain of backends. Impact is described as possible request smuggling due to TE/CL han...

CVE-2020-7658

meinheld prior to 1.0.2 is vulnerable to HTTP Request Smuggling. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Content-Length and Transfer encoding header parsing...

CVE-2020-11077

In Puma RubyGem before 4.3.5 and 3.12.6, a client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. If the proxy uses persistent connections and the client adds another request in via HTTP pipelining, the proxy may mistake it as the firs...

CVE-2020-11077

CVE-2020-11077 affects the Puma RubyGem HTTP server. It describes an HTTP request/response smuggling scenario where a proxy with persistent connections and HTTP pipelining can cause the proxy to deliver a second response to the wrong client, due to how Puma parses the first request and its body. ...

CVE-2020-11077

In Puma RubyGem before 4.3.5 and 3.12.6, a client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. If the proxy uses persistent connections and the client adds another request in via HTTP pipelining, the proxy may mistake it as the firs...

GHSA-W64W-QQPH-5GXM HTTP Smuggling via Transfer-Encoding Header in Puma

Impact This is a similar but different vulnerability to the one patched in 3.12.5 and 4.3.4. A client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. If the proxy uses persistent connections and the client adds another request in via...

CVE-2020-7655

netius prior to 1.17.58 is vulnerable to HTTP Request Smuggling. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Transfer encoding header parsing which could allow for CL:TE or TE:TE attacks...

CVE-2020-7655

Netted details show that netius before 1.17.58 is vulnerable to HTTP Request Smuggling due to incorrect Transfer-Encoding header parsing, enabling CL:TE or TE:TE-style attacks. Affected component is netius (Python library/server) prior to version 1.17.58. Remediation per the sources is to upgrade...

waitress: HTTP request smuggling through invalid Transfer-Encoding

An HTTP-interpretation flaw was found in waitress which did not properly validate incoming HTTP headers. When parsing the Transfer-Encoding header, waitress would look only for a single string value. According to the HTTP standard, Transfer-Encoding should be a comma-separated list, with the...

CVE-2019-16792

Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two...

CVE-2019-16792

Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two...