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XFree86 PCF heltals-overflow sårbarhed Advisory Available in English 

Secunia Advisory: SA21446  
Udsendt: 2006-08-11

Kritisk:
Moderat kritisk
Betydning: DoS
Systemadgang
Hvor: Fra Internet
Løsning Status: Ikke Patchet

Software:XFree86 4.1.x
XFree86 4.2.x
XFree86 4.3.x
XFree86 4.4.x
XFree86 4.5.x
XFree86 4.6.x

This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released!


Beskrivelse:
Der er rapporteret en sårbarhed i XFree86, som kan udnyttes af ondsindede personer til at udføre et DoS (Denial of Service) og potentielt kompromittere et sårbart system.

Sårbarheden skyldes heltals-overflows i PCF font-fortolkeren og kan udnyttes til at crashe X-serveren og potentielt eksekvere vilkårlig kode.

Dette er relateret til:
SA20100

Løsning:
Fortolk kun PCF font-filer, der haves tillid til.

Andre Kilder:
SA20100:
http://secunia.dk/advisories/20100/



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.

9 Relaterede Secunia Advisories

1. XFree86 X Font Server flere sårbarheder
2. XFree86 flere sårbarheder
3. XFree86 "DBE" og "Render" udvidelse sårbarheder
4. XFree86 CID-indkodede fonte heltal-overflows
5. XFree86 pixmap integer overflow
6. XFree86 flere sårbarheder
7. XFree86 "font.alias" fil-fortolkning rettighedseskalering
8. XFree svage session cookies
9. XFree86 flere heltals-overflows


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