Debians sikkerhedsbulletin
DSA-062-1 rxvt -- buffer-overløb
- Rapporteret den:
- 16. jun 2001
- Berørte pakker:
- rxvt
- Sårbar:
- Ja
- Referencer i sikkerhedsdatabaser:
- I Bugtraq-databasen (hos SecurityFocus): BugTraq-id 2878.
I Mitres CVE-ordbog: CVE-2001-1077. - Yderligere oplysninger:
-
Samuel Dralet rapporterede på bugtraq at version 2.6.2 af rxvt (en
VT102-terminalemulator til X) har et buffer-overløb i
tt_printf()
-funktionen. En lokal bruger kunne misbruge dette ved at få rxvt til at skrive en speciel streng ved hjælp af denne funktion, for eksempel ved at anvende kommandolinieparameteret -T eller -name. Denne streng ville forsage et stack-overløb og indeholde kode som rxvt ville udføre.Da rxvt er installeret sgid utmp kunne en angriber bruge dette til at få adgang utmp-rettighed, hvilket ville give ham lov til at ændre utmp-filen.
Dette er rettet i version 2.6.2-2.1 og vi anbefaler at du opgraderer din rxvt-pakke.
- Rettet i:
-
Debian GNU/Linux 2.2 (potato)
- Kildekode:
- http://security.debian.org/dists/stable/updates/main/source/rxvt_2.6.2-2.1.diff.gz
- http://security.debian.org/dists/stable/updates/main/source/rxvt_2.6.2-2.1.dsc
- http://security.debian.org/dists/stable/updates/main/source/rxvt_2.6.2.orig.tar.gz
- http://security.debian.org/dists/stable/updates/main/source/rxvt_2.6.2-2.1.dsc
- Alpha:
- http://security.debian.org/dists/stable/updates/main/binary-alpha/rxvt-ml_2.6.2-2.1_alpha.deb
- http://security.debian.org/dists/stable/updates/main/binary-alpha/rxvt_2.6.2-2.1_alpha.deb
- http://security.debian.org/dists/stable/updates/main/binary-alpha/rxvt_2.6.2-2.1_alpha.deb
- ARM:
- http://security.debian.org/dists/stable/updates/main/binary-arm/rxvt-ml_2.6.2-2.1_arm.deb
- http://security.debian.org/dists/stable/updates/main/binary-arm/rxvt_2.6.2-2.1_arm.deb
- http://security.debian.org/dists/stable/updates/main/binary-arm/rxvt_2.6.2-2.1_arm.deb
- Intel IA-32:
- http://security.debian.org/dists/stable/updates/main/binary-i386/rxvt-ml_2.6.2-2.1_i386.deb
- http://security.debian.org/dists/stable/updates/main/binary-i386/rxvt_2.6.2-2.1_i386.deb
- http://security.debian.org/dists/stable/updates/main/binary-i386/rxvt_2.6.2-2.1_i386.deb
- Motorola 680x0:
- http://security.debian.org/dists/stable/updates/main/binary-m68k/rxvt-ml_2.6.2-2.1_m68k.deb
- http://security.debian.org/dists/stable/updates/main/binary-m68k/rxvt_2.6.2-2.1_m68k.deb
- http://security.debian.org/dists/stable/updates/main/binary-m68k/rxvt_2.6.2-2.1_m68k.deb
- PowerPC:
- http://security.debian.org/dists/stable/updates/main/binary-powerpc/rxvt-ml_2.6.2-2.1_powerpc.deb
- http://security.debian.org/dists/stable/updates/main/binary-powerpc/rxvt_2.6.2-2.1_powerpc.deb
- http://security.debian.org/dists/stable/updates/main/binary-powerpc/rxvt_2.6.2-2.1_powerpc.deb
- Sun Sparc:
- http://security.debian.org/dists/stable/updates/main/binary-sparc/rxvt-ml_2.6.2-2.1_sparc.deb
- http://security.debian.org/dists/stable/updates/main/binary-sparc/rxvt_2.6.2-2.1_sparc.deb
- http://security.debian.org/dists/stable/updates/main/binary-sparc/rxvt_2.6.2-2.1_sparc.deb
MD5-kontrolsummer for de listede filer findes i den originale sikkerhedsbulletin.