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Firebird INTERBASE miljøvariabel buffer overflow sårbarheder Advisory Available in English 

Secunia Advisory: SA8758  
Udsendt: 2003-05-12
Sidste Opdt.: 2004-05-24

Kritisk:
Mindre kritisk
Betydning: Rettighedseskalering
Hvor: Lokalt System
Løsning Status: Producent Patch

Software:Firebird 1.x

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Beskrivelse:
Der er identificeret nogle sårbarheder i Firebird, som kan udnyttes af ondsindede, lokale brugere til at eskalere deres rettigheder på et sårbart system.

Sårbarhederne skyldes ikke-kontrollerede buffere, når filerne "gds_inet_server", "gds_drop" og "gds_lock_mgr" benytter miljøvariablen "INTERBASE". Dette kan udnyttes ved at specificere en lang, specielt-konstrueret værdi i "INTERBASE", hvilket kan forårsage et buffer overflow og derved muliggøre eksekvering af vilkårlig kode med eskalerede rettigheder.

Sårbarhederne er bekræftet i version 1.0.0 og 1.0.2. Andre versioner kan også være berørte.

Et exploit er udgivet.

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.

Løsning:
Det rapporteres, at sårbarhederne er rettet i version 1.5.0.
http://firebird.sourceforge.net/index.php?op=files

Rapporteret af / Kredit:
bob@dtors.net
kokanin@dtors.net

Forløb:
24-05-2004: Opdaterede løsningen.



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.

4 Relaterede Secunia Advisories

1. Firebird 1 flere buffer overflows
2. Firebird flere sårbarheder
3. Borland Interbase / Firebird databasenavn buffer overflow
4. Firebird manipulation af filer


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