Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid characters in HTTP requests

A flaw was discovered in Undertow where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from...

Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid characters in HTTP requests

A flaw was discovered in Undertow where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from...

Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid characters in HTTP requests

A flaw was discovered in Undertow where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from...

urllib3 library denial of service vulnerability

urllib3 is a Python HTTP library. It features thread-safe connection pooling, file publishing support, and more. A security vulnerability exists in the 'encodeinvalidchars' function in the util/url.py file in the urllib3 library versions 1.25.2 through 1.25.7 Python. An attacker can exploit this...

CVE-2020-5236

Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like "Bad-header: xxxxxxxxxxxxxxx\x10" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and...

CVE-2020-5236

Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like "Bad-header: xxxxxxxxxxxxxxx\x10" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and...

Design/Logic Flaw

Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like "Bad-header: xxxxxxxxxxxxxxx\x10" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and...

CVE-2020-5236 Catastrophic backtracking in regex allows Denial of Service in Waitress

Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like "Bad-header: xxxxxxxxxxxxxxx\x10" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and...

python-twisted: Improper neutralization of CRLF characters in URIs and HTTP methods

In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF...

CVE-2017-2666

It was discovered that the code that parsed the HTTP request line permitted invalid characters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating the HTTP...

The vulnerability of the twisted.web network framework’s Twisted component allows attackers to compromise the confidentiality and integrity of protected information.

The vulnerability of the twisted.web network framework exists due to insufficient validation of input data. Exploiting this vulnerability allows a remote attacker to compromise the confidentiality and integrity of protected information by introducing invalid characters like CRLF...

SUSE-SU-2019:1790-1 Security update for SUSE Manager Server 3.2

This update fixes the following issues: release-notes-susemanager: - Fix invalid characters in ncurses mode bsc1102770 spacewalk-backend: - Fix for CVE-2019-10136. An attacker with a valid, but expired, authenticated set of headers could move some digits around, artificially extending the session...

X (Formerly Twitter): url that twitter mobile site can not load

Summary: A url that twitter mobile site can not load, crushes any page containing this url Description: Invalid hex characters crushes twitter mobile site as example go to https://mobile.twitter.com/?%xx twitter won't load. 1 Sending such url on a direct message, twitter will no longer be able to...

Fedora 28 : php-symfony (2018-eba0006df2)

Version 2.8.41 2018-05-25 - bug 27359 HttpFoundation Fix perf issue during MimeTypeGuesser intialization nicolas-grekas - security cve-2018-11408 SecurityBundle Fail if security.httputils cannot be configured - security cve-2018-11406 clear CSRF tokens when the user is logged out - security...

DEBIAN-CVE-2017-2666

It was discovered in Undertow that the code that parsed the HTTP request line permitted invalid characters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating t...

UBUNTU-CVE-2017-2666

It was discovered in Undertow that the code that parsed the HTTP request line permitted invalid characters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating t...

undertow: HTTP Request smuggling vulnerability (incomplete fix of CVE-2017-2666)

It was found that the fix for CVE-2017-2666 was incomplete and invalid characters are still allowed in the query string and path parameters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the...

UBUNTU-CVE-2017-7559

In Undertow 2.x before 2.0.0.Alpha2, 1.4.x before 1.4.17.Final, and 1.3.x before 1.3.31.Final, it was found that the fix for CVE-2017-2666 was incomplete and invalid characters are still allowed in the query string and path parameters. This could be exploited, in conjunction with a proxy that als...

DEBIAN-CVE-2017-7559

In Undertow 2.x before 2.0.0.Alpha2, 1.4.x before 1.4.17.Final, and 1.3.x before 1.3.31.Final, it was found that the fix for CVE-2017-2666 was incomplete and invalid characters are still allowed in the query string and path parameters. This could be exploited, in conjunction with a proxy that als...

undertow: HTTP Request smuggling vulnerability (incomplete fix of CVE-2017-2666)

It was found that the fix for CVE-2017-2666 was incomplete and invalid characters are still allowed in the query string and path parameters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the...