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Ruby "cgi.rb" Denial of Service Sicherheitslücke Advisory Available in English  Advisory Available in Danish 

Secunia Advisory: SA13123  
Herausgegeben: 2004-11-08
Last Update: 2006-12-12

Gefahrenstufe:
Weniger kritisch
Auswirkung: DoS
Von Wo: Aus dem Internet
Lösungsstatus: Hersteller-Patch

Software:Ruby 1.8.x

CVE reference:CVE-2004-0983 (Secunia mirror)
CVE-2006-5467 (Secunia mirror)
CVE-2006-6303 (Secunia mirror)

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Beschreibung:
Zwei Sicherheitslücken wurden in Ruby gemeldet, die böswillige Personen ausnutzen können, um einen DoS (Denial of Service) zu verursachen.

1) Ein Fehler in der Prüfung von Eingaben in der Datei "cgi.rb" kann ausgenutzt werden, um eine hohe CPU-Auslastung zu verursachen, indem man speziell präparierte HTTP POST Anfragen schickt.

2) Ein unspezifizierter Fehler in "cgi.rb" bei der Verarbeitung von bestimmten HTTP-Anfragen kann ausgenutzt werden, um eine hohe CPU-Auslastung zu verursachen, indem man speziell präparierte HTTP-Anfragen schickt.

Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.

Lösung:
Aktualisieren Sie auf Version 1.8.5-p2.

Gemeldet und/oder entdeckt von:
Gemeldet durch den Hersteller.

Änderungen:
2006-10-27: Bisheriger Patch ist nicht ausreichend. "Lösung" aktualisiert, neuen Link und CVE-Referenz hinzugefügt.
2006-12-04: "Lösung" und "Beschreibung" aktualisiert. Informationen über weitere Sicherheitslücke hinzugefügt.
2006-12-12: CVE-Referenz hinzugefügt.

Original Advisory:
Ruby:
http://www.ruby-lang.org/en/news/2006/11/03/CVE-2006-5467/
http://www.ruby-lang.org/en/news/2006...er-dos-vulnerability-in-cgi-library/

http://www.debian.org/security/2004/dsa-586
http://rubyforge.org/pipermail/mongrel-users/2006-October/001946.html

Andere Referenzen:
JVN:
http://jvn.jp/jp/JVN%2384798830/index.html



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

2 Related Secunia Security Advisories

1. Ruby "Net::HTTPS" "Common Name"-Überprüfung Sicherheitsprobleme
2. Ruby CGI-Session-Management Unsichere Erzeugung von Dateien


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