Debians sikkerhedsbulletin
DSA-1795-1 ldns -- bufferoverløb
- Rapporteret den:
- 7. maj 2009
- Berørte pakker:
- ldns
- Sårbar:
- Ja
- Referencer i sikkerhedsdatabaser:
- I Mitres CVE-ordbog: CVE-2009-1086.
- Yderligere oplysninger:
-
Stefan Kaltenbrunner opdagede at ldns, et bibliotek og værktøjssæt til at lette DNS-programmering, ikke på korrekt vis implementerede en kontrol af buffergrænser i sin RR DNS-post-fortolker. Svagheden kunne gør det muligt for en heapbuffer at løbe over, hvis en ondsindet fremstillet DNS-post blev fortolket, potentielt gørende det muligt at udføre vilkårlig kode. Omfanget af sårbarheden varierede alt efter i hvilken kontekst, ldns blev anvendt, og kunne enten være en lokal eller fjern angrebsvinkel.
Den gamle stabile distribution (etch) er ikke påvirket af dette problem.
I den stabile distribution (lenny), er dette problem rettet i version 1.4.0-1+lenny1.
I den ustabile distribution (sid), er dette problem rettet i version 1.5.1-1.
Vi anbefaler at du opgraderer dine ldns-pakker.
- Rettet i:
-
Debian GNU/Linux 5.0 (lenny)
- Kildekode:
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0.orig.tar.gz
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.diff.gz
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.dsc
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.diff.gz
- Alpha:
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_alpha.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_alpha.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_alpha.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_amd64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_amd64.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_amd64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_arm.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_arm.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_arm.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_arm.deb
- ARM EABI:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_armel.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_armel.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_armel.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_armel.deb
- HP Precision:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_hppa.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_hppa.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_hppa.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_hppa.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_i386.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_i386.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_i386.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_ia64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_ia64.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_ia64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_ia64.deb
- Big-endian MIPS:
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mips.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mips.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_mips.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mips.deb
- Little-endian MIPS:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mipsel.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mipsel.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_mipsel.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_powerpc.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_powerpc.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_powerpc.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_s390.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_s390.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_s390.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_sparc.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_sparc.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_sparc.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_sparc.deb
MD5-kontrolsummer for de listede filer findes i den originale sikkerhedsbulletin.