Debians sikkerhedsbulletin
DSA-903-2 unzip -- race condition
- Rapporteret den:
- 21. nov 2005
- Berørte pakker:
- unzip
- Sårbar:
- Ja
- Referencer i sikkerhedsdatabaser:
- I Debians fejlsporingssystem: Fejl 321927, Fejl 343680.
I Bugtraq-databasen (hos SecurityFocus): BugTraq-id 14450.
I Mitres CVE-ordbog: CVE-2005-2475. - Yderligere oplysninger:
-
Opdateringen af unzip i DSA 903 indeholdt en regression således at symbolske links der afklares senere i koden ikke længere var understøttet. Denne opdateringer retter dette problem. For fuldstændighedens skyld følger herunder den oprindelige bulletins tekst:
Imran Ghory har opdaget en "race condition" i koden til opsætning af rettigheder i unzip. Ved udpakning af en fil i en mappe, som en angriber havde adgang til, kunne unzip narres til at opsætte rettighederne til en anden fil, som brugeren havde rettigheder til.
I den gamle stabile distribution (woody) er dette problem rettet i version 5.50-1woody5.
I den stabile distribution (sarge) er dette problem rettet i version 5.52-1sarge3.
I den ustabile distribution (sid) er dette problem rettet i version 5.52-6.
Vi anbefaler at du opgraderer din unzip-pakke.
- Rettet i:
-
Debian GNU/Linux 3.0 (woody)
- Kildekode:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5.dsc
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5.diff.gz
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50.orig.tar.gz
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5.diff.gz
- Alpha:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_alpha.deb
- ARM:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_arm.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_ia64.deb
- HPPA:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_hppa.deb
- Motorola 680x0:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_m68k.deb
- Big endian MIPS:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_mips.deb
- Little endian MIPS:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_sparc.deb
Debian GNU/Linux 3.1 (sarge)
- Kildekode:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3.dsc
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3.diff.gz
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52.orig.tar.gz
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3.diff.gz
- Alpha:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_arm.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_ia64.deb
- HPPA:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_hppa.deb
- Motorola 680x0:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_m68k.deb
- Big endian MIPS:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_mips.deb
- Little endian MIPS:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_sparc.deb
MD5-kontrolsummer for de listede filer findes i den originale sikkerhedsbulletin.
MD5-kontrolsummer for de listede filer findes i den reviderede sikkerhedsbulletin.