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file "file_printf()" Integer-Unterlauf-Sicherheitslücke Advisory Available in English  Advisory Available in Danish 

Secunia Advisory: SA24548  
Herausgegeben: 2007-03-19
Last Update: 2008-02-29

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

Software:file 4.x

CVE reference:CVE-2007-1536 (Secunia mirror)
CVE-2007-2799 (Secunia mirror)

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Beschreibung:
Eine Sicherheitslücke in file wurde gemeldet, die böswillige Personen potenziell ausnutzen können, um ein verwundbares System zu kompromittieren.

Die Sicherheitslücke besteht in einem unspezifizierten Integer-Unterlauf innerhalb der Funktion "file_printf" und kann ausgenutzt werden, um einen Heap-basierten Pufferüberlauf zu verursachen.

Lösung:
Aktualisieren Sie auf Version 4.21 oder höher.

Gemeldet und/oder entdeckt von:
Jean-Sébastien Guay-Leroux

Änderungen:
2007-03-22: CVE-Referenz hinzugefügt und "Entdeckt von"-Abschnitt aktualisiert.
2007-03-27: Link zum US-CERT hinzugefügt.
2007-05-24: "Lösung" und "Lösungsstatus" aktualisiert, da der vorherige Fix einen Integer-Überlauf beinhaltet. Informationen von Colin Percival von FreeBSD bereitgestellt.
2008-02-29: "Lösung" aktualisiert.

Original Advisory:
http://mx.gw.com/pipermail/file/2007/000161.html

Andere Referenzen:
US-CERT VU#606700:
http://www.kb.cert.org/vuls/id/606700



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

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