Säkerhetsbulletin från Debian

DSA-809-2 squid -- flera sårbarheter

Rapporterat den:

2005-09-13

Berörda paket:

squid

Sårbara:

Referenser i säkerhetsdatabaser:

I Debians felrapporteringssystem: Fel 320035.
I Mitres CVE-förteckning: CVE-2005-2794, CVE-2005-2796.

Ytterligare information:

Vissa avbrutna anrop som ger en försäkran (assertion) i Squid, den populära webbmellanservern, kan användas av användare utifrån till en överbelastningsattack. Denna uppdatering rättar även ett problem som introducerades i och med DSA 751. Texten från originalbulletinen följer nedan:

Flera sårbarheter har upptäckts i Squid, en populär cachande webbmellanserver. Projektet Common Vulnerabilities and Exposures identifierar följande sårbarheter:

CAN-2005-2794
Vissa avbrutna anrop utlöser en ”assert” vilken kunde göra det möjligt för angripare utifrån att starta en överbelastningsattack.

CAN-2005-2796
Specialskrivna anrop kan användas för en överbelastningsattack.

För den gamla stabila utgåvan (Woody) har detta problem rättats i version 2.4.6-2woody10.

För den stabila utgåvan (Sarge) har dessa problem rättats i version 2.5.9-10sarge1.

För den instabila utgåvan (Sid) har dessa problem rättats i version 2.5.10-5.

Vi rekommenderar att ni uppgraderar ert squid-paket.

Rättat i:

Debian GNU/Linux 3.0 (woody)

Källkod:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10.dsc; http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10.diff.gz; http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6.orig.tar.gz
Alpha:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_alpha.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_alpha.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_alpha.deb
ARM:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_arm.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_arm.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_arm.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_i386.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_i386.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_ia64.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_ia64.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_ia64.deb
HPPA:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_hppa.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_hppa.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_hppa.deb
Motorola 680x0:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_m68k.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_m68k.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_m68k.deb
Big endian MIPS:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_mips.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_mips.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_mips.deb
Little endian MIPS:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_mipsel.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_mipsel.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_powerpc.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_powerpc.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_s390.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_s390.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody10_sparc.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody10_sparc.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody10_sparc.deb

Debian GNU/Linux 3.1 (sarge)

Källkod:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1.dsc; http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1.diff.gz; http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9.orig.tar.gz
Arkitekturoberoende komponent:: http://security.debian.org/pool/updates/main/s/squid/squid-common_2.5.9-10sarge1_all.deb
Alpha:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_alpha.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_alpha.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_alpha.deb
AMD64:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_amd64.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_amd64.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_arm.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_arm.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_arm.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_i386.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_i386.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_ia64.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_ia64.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_ia64.deb
HPPA:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_hppa.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_hppa.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_hppa.deb
Motorola 680x0:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_m68k.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_m68k.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_m68k.deb
Big endian MIPS:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_mips.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_mips.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_mips.deb
Little endian MIPS:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_mipsel.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_mipsel.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_powerpc.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_powerpc.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_s390.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_s390.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/s/squid/squid_2.5.9-10sarge1_sparc.deb; http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.5.9-10sarge1_sparc.deb; http://security.debian.org/pool/updates/main/s/squid/squidclient_2.5.9-10sarge1_sparc.deb

MD5-kontrollsummor för dessa filer finns i originalbulletinen.

MD5-kontrollsummor för dessa filer finns i reviderade bulletinen.