Debians sikkerhedsbulletin

DSA-774-1 fetchmail -- bufferoverløb

Rapporteret den:
12. aug 2005
Berørte pakker:
fetchmail
Sårbar:
Ja
Referencer i sikkerhedsdatabaser:
I Debians fejlsporingssystem: Fejl 212762.
I Bugtraq-databasen (hos SecurityFocus): BugTraq-id 14349.
I Mitres CVE-ordbog: CVE-2005-2335.
Yderligere oplysninger:

Edward Shornock har opdaget en fejl i UIDL-håndteringskoden i fetchmail, et udbredt posthentningsværktil til POP3, APOP og IMAP. En ondsindet POP3-server kunne udnytte dette problem ved at indsprøjte vilkårlig kode, der blev udført på offerets maskine. Hvis fetchmail kører som root, bliver dette til en root-udnyttelse.

Den gamle stabile distribution (woody) er ikke påvirket af dette problem.

I den stabile distribution (sarge) er dette problem rettet i version 6.2.5-12sarge1.

I den ustabile distribution (sid) er dette problem rettet i version 6.2.5-16.

Vi anbefaler at du opgraderer din fetchmail-pakke.

Rettet i:

Debian GNU/Linux 3.1 (sarge)

Kildekode:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1.dsc
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1.diff.gz
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5.orig.tar.gz
Arkitekturuafhængig komponent:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail-ssl_6.2.5-12sarge1_all.deb
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmailconf_6.2.5-12sarge1_all.deb
Alpha:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_sparc.deb

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