Debians sikkerhedsbulletin
DSA-1923-1 libhtml-parser-perl -- lammelsesangreb
- Rapporteret den:
- 27. okt 2009
- Berørte pakker:
- libhtml-parser-perl
- Sårbar:
- Ja
- Referencer i sikkerhedsdatabaser:
- I Debians fejlsporingssystem: Fejl 552531.
I Mitres CVE-ordbog: CVE-2009-3627. - Yderligere oplysninger:
-
En lammelsesangrebssårbarhed (denial of service) er fundet i libhtml-parser-perl, en samling moduler til at fortolke HTML i tekstdokumenter, som anvendes af flere andre projekter så som SpamAssassin.
Mark Martinec opdagede at funktionen decode_entities() kom i en uendelig løkke, når den fortolkede visse HTML-entiteter med ugyldige UTF-8-tegn. En angriber kunne anvende dette til at udføre lammelsesangreb, ved at sende fabrikeret HTML til en applikaiton, som anvender funktionaliteten.
I den gamle stabile distribution (etch), er dette problem rettet i version 3.55-1+etch1.
I den stabile distribution (lenny), er dette problem rettet i version 3.56-1+lenny1.
I distributionen testing (squeeze) og i den ustabile (sid) distribution, vil problemet snart blive rettet.
Vi anbefaler at du opgraderer dine libhtml-parser-perl-pakker.
- Rettet i:
-
Debian GNU/Linux 4.0 (etch)
- Kildekode:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55.orig.tar.gz
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1.diff.gz
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1.dsc
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1.diff.gz
- Alpha:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_arm.deb
- HP Precision:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_hppa.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_ia64.deb
- Big-endian MIPS:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_mips.deb
- Little-endian MIPS:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_sparc.deb
Debian GNU/Linux 5.0 (lenny)
- Kildekode:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1.diff.gz
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1.dsc
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56.orig.tar.gz
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1.dsc
- Alpha:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_arm.deb
- ARM EABI:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_armel.deb
- HP Precision:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_hppa.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_ia64.deb
- Big-endian MIPS:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_mips.deb
- Little-endian MIPS:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_sparc.deb
MD5-kontrolsummer for de listede filer findes i den originale sikkerhedsbulletin.