Debians sikkerhedsbulletin

DSA-2129-1 krb5 -- verifikationssvaghed i forbindelse med checksum

Rapporteret den:
1. dec 2010
Berørte pakker:
krb5
Sårbar:
Ja
Referencer i sikkerhedsdatabaser:
I Mitres CVE-ordbog: CVE-2010-1323.
Yderligere oplysninger:

En sårbarhed er fundet i krb5, MIT's implementering af Kerberos.

MIT krb5-klienter accepterede på ukorrekt vis en checksum uden nøgle i SAM-2-preauthentication-challenge: En ikke-autentificeret fjernbruger kunne ændre et SAM-2-challenge, som påvirkede promptteksten som ses af brugeren eller formen for svar sendt til KDC'en. Under nogle omstændigheder kunne det negere den forøgede sikkerhedsfordel ved at anvende engangstokens i autentifikationsmekanismen.

MIT krb5 accepterede på ukorrekt vis RFC 3961-nøgleafledte-checksummer ved anvendelse af RC4-nøgler når KRB-SAFE-meddelelser blev verificeret: En ikke-autentificeret fjernangriber havde en 1/256 chance for at forfalske KRB-SAFE-meddelelser i en applikationsprotokol, hvis angrebne allerede-eksisterende session anvender en RC4-sessionsnøgle. Få applikationsprotokoller anvender KRB-SAFE-meddelelser.

Projektet Common Vulnerabilities and Exposures project har tildelt CVE-2010-1323 til disse problemer.

I den stabile distribution (lenny), er disse problemer rettet i version 1.6.dfsg.4~beta1-5lenny6.

Opbygningerne til mips-arkitekturen følger ikke med denne bulletin. De vil blive udgivet så snart de er tilgængelige.

I distributionen testing (squeeze) og i den ustabile distribution (sid), er disse problemer i version 1.8.3+dfsg-3.

Vi anbefaler at du opgraderer dine krb5-pakker.

Rettet i:

Debian GNU/Linux 5.0 (lenny)

Kildekode:
http://security.debian.org/pool/updates/main/k/krb5/krb5_1.6.dfsg.4~beta1-5lenny6.dsc
http://security.debian.org/pool/updates/main/k/krb5/krb5_1.6.dfsg.4~beta1-5lenny6.diff.gz
http://security.debian.org/pool/updates/main/k/krb5/krb5_1.6.dfsg.4~beta1.orig.tar.gz
Arkitekturuafhængig komponent:
http://security.debian.org/pool/updates/main/k/krb5/krb5-doc_1.6.dfsg.4~beta1-5lenny6_all.deb
Alpha:
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_alpha.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_amd64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_arm.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_arm.deb
ARM EABI:
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_armel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_armel.deb
HP Precision:
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_hppa.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_i386.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_ia64.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_ia64.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_s390.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/k/krb5/krb5-rsh-server_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dbg_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-kdc-ldap_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-user_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb5-dev_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-ftpd_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-admin-server_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/libkrb53_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-pkinit_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/libkadm55_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-telnetd_1.6.dfsg.4~beta1-5lenny6_sparc.deb
http://security.debian.org/pool/updates/main/k/krb5/krb5-clients_1.6.dfsg.4~beta1-5lenny6_sparc.deb

MD5-kontrolsummer for de listede filer findes i den originale sikkerhedsbulletin.