Ruby Security Bypass Vulnerability

Ruby is a cross-platform, object-oriented, dynamically typed programming language developed by Japanese software developer Yukihiro Matsumoto. A security vulnerability exists in the Basic authentication code of the WEBrick library in Ruby versions prior to 2.2.8, 2.3.x prior to 2.3.5, and 2.4.x...

ruby -- multiple vulnerabilities

Ruby blog: CVE-2017-0898: Buffer underrun vulnerability in Kernel.sprintf If a malicious format string which contains a precious specifier is passed and a huge minus value is also passed to the specifier, buffer underrun may be caused. In such situation, the result may contains heap, or the Ruby...

Escape sequence injection vulnerability in the Basic authentication of WEBrick

There is an escape sequence injection vulnerability in the Basic authentication of WEBrick bundled by Ruby. When using the Basic authentication of WEBrick, clients can pass an arbitrary string as the user name. WEBrick outputs the passed user name intact to its log, then an attacker can inject...

Ruby: Escape sequence injection vulnerability in WEBrick BasicAuth

WEBrick BasicAuth outputs any non-existing user name to logs without sanitizing. By exploting this, an attacker can inject malicious escape sequences to its logs. This issue is exactly the same as the old already-fixed vulnerability. How to reproduce: 1 Run this WEBrick server program in a...

PT-2019-4673 · Puma +9 · Puma +10

Name of the Vulnerable Software and Affected Versions: Ruby versions prior to 2.4.8 Ruby versions 2.5.x through 2.5.6 Ruby versions 2.6.x through 2.6.4 Puma versions prior to 3.12.3 Puma versions prior to 4.3.2 Description: The issue is related to incorrect handling of special elements in the...

Ruby: Response splitting vulnerability in WEBrick

Hi, WEBrick seems to be vulnerable to a response splitting attack. The reproduction script is very similar to the code shown on the owasp page: ruby require 'webrick' class MyServlet ::WEBrick::HTTPServlet::AbstractServlet def service req, res res.cookies WEBrick::Cookie.new'author',...

Yukihiro Matsumoto Ruby 1.x XMLRPC Server Denial of Service Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/17645/info Ruby is affected by a denial-of-service vulnerability in the WEBrick HTTP server. This issue is due to the use of blocking network operations. Ruby's implementation of XML/RPC is also affected, since it uses th...

Apple Quicktime <= 7.1.3 (HREFTrack) Cross-Zone Scripting Exploit

No description provided by source. !/usr/bin/ruby c 2006 LMH lmh at info-pull.com Original scripting and POC by Aviv Raff http://aviv.raffon.net. Description: Exploit for MOAB-03-01-2007. If argument 'serve' is passed, it uses port 21 for running the fake FTP server required. HTTP server port can...

Ruby <= 1.9.1 WEBrick Terminal Escape Sequence in Logs Command Injection Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/37710/info Ruby WEBrick is prone to a command-injection vulnerability because it fails to adequately sanitize user-supplied input in log files. Attackers can exploit this issue to execute arbitrary commands in a terminal...

Ruby <= 1.9 WEBrick::HTTP::DefaultFileHandler Crafted HTTP Request DoS

No description provided by source. source: http://www.securityfocus.com/bid/30644/info Ruby is prone to multiple vulnerabilities that can be leveraged to bypass security restrictions or cause a denial of service: - Multiple security-bypass vulnerabilities occur because of errors in the 'safe leve...

Ruby <= 1.9 Safe Level Multiple Function Restriction Bypass

No description provided by source. source: http://www.securityfocus.com/bid/30644/info Ruby is prone to multiple vulnerabilities that can be leveraged to bypass security restrictions or cause a denial of service: - Multiple security-bypass vulnerabilities occur because of errors in the 'safe leve...

Ruby <= 1.9 dl Module DL.dlopen Arbitrary Library Access

No description provided by source. source: http://www.securityfocus.com/bid/30644/info Ruby is prone to multiple vulnerabilities that can be leveraged to bypass security restrictions or cause a denial of service: - Multiple security-bypass vulnerabilities occur because of errors in the 'safe leve...

Ruby <= 1.9 (regex engine) Remote Socket Memory Leak Exploit

No description provided by source. ------------------------------------------------------- Language : Ruby Web Site: www.ruby-lang.org Platform: All Bug: Remote Socket Memory Leak Products Affected: 1.8 series: - 1.8.5 and all prior versions - 1.8.6-p286 and all prior versions - 1.8.7-p71 and all...

openSUSE Security Update : ruby (openSUSE-SU-2011:0561-1)

Ruby was prone to several security issues : - a race condition allowed local users to delete arbitrary files CVE-2011-1004 - exception methods could bypass safe mode CVE-2011-1005 - webrick cross site scripting issue CVE-2010-0541 - memory corruption in the BigDecimal class CVE-2011-0188...

Ruby on Rails JSON Processor Floating Point Heap Overflow DoS

When Ruby attempts to convert a string representation of a large floating point decimal number to its floating point equivalent, a heap-based buffer overflow can be triggered. This module has been tested successfully on a Ruby on Rails application using Ruby version 1.9.3-p448 with WebRick and Th...

Oracle Linux 4 : ruby (ELSA-2011-0908)

From Red Hat Security Advisory 2011:0908 : Updated ruby packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores,...

Oracle Linux 5 : ruby (ELSA-2008-0897)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2008-0897 advisory. - CVE-2008-3655: multiple insufficient safe mode restrictions. - CVE-2008-3656: WEBrick DoS vulnerability CPU consumption. - CVE-2008-3657: missing...

Scientific Linux Security Update : ruby on SL3.x, SL4.x, SL5.x i386/x86_64

The Ruby DNS resolver library, resolv.rb, used predictable transaction IDs and a fixed source port when sending DNS requests. A remote attacker could use this flaw to spoof a malicious reply to a DNS query. CVE-2008-3905 Ruby's XML document parsing module REXML was prone to a denial of service...

Scientific Linux Security Update : ruby on SL4.x, SL5.x i386/x86_64

Vincent Danen reported, that Red Hat Security Advisory RHSA-2008:0897 did not properly address a denial of service flaw in the WEBrick Ruby HTTP server toolkit, known as CVE-2008-3656. This flaw allowed a remote attacker to send a specially crafted HTTP request to a WEBrick server that would caus...

Scientific Linux Security Update : ruby on SL4.x i386/x86_64

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to do system management tasks. A flaw was found in the way large amounts of memory were allocated on 64-bit systems when using the BigDecimal class. A context-dependent attacker coul...