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Ghostscript "zseticcspace()" Pufferüberlauf-Sicherheitslücke Advisory Available in English 

Secunia Advisory: SA29103  
Herausgegeben: 2008-02-28
Last Update: 2008-03-05

Gefahrenstufe:
Sehr kritisch
Auswirkung: Systemzugriff
Von Wo: Aus dem Internet
Lösungsstatus: Hersteller-Patch

Software:Ghostscript 8.x

CVE reference:CVE-2008-0411 (Secunia mirror)

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Beschreibung:
Chris Evans hat eine Sicherheitslücke in Ghostscript gemeldet, die böswillige Personen ausnutzen können, um das System eines Benutzers zu kompromittieren.

Die Sicherheitslücke besteht in einem Begrenzungsfehler in der Funktion "zseticcspace()" in zicc.c. Dieser kann ausgenutzt werden, um einen Stack-basierten Pufferüberlauf über ein überlanges "Range"-Array zu verursachen.

Eine erfolgreiche Ausnutzung ermöglicht die Ausführung von beliebigem Code.

Die Sicherheitslücke wurde in Version 8.61 gemeldet. Andere Versionen können ebenfalls betroffen sein.

Lösung:
Aktualisieren Sie auf Version 8.62.

Gemeldet und/oder entdeckt von:
Chris Evans, Google Security

Änderungen:
2008-03-05: "Lösung" aktualisiert.

Original Advisory:
http://scary.beasts.org/security/CESA-2008-001.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.


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