Debian Security Advisory

DSA-1980-1 ircd-hybrid/ircd-ratbox -- integer underflow/denial of service

Date Reported:
27 Jan 2010
Affected Packages:
ircd-hybrid/ircd-ratbox
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2009-4016, CVE-2010-0300.
More information:

David Leadbeater discovered an integer underflow that could be triggered via the LINKS command and can lead to a denial of service or the execution of arbitrary code (CVE-2009-4016). This issue affects both, ircd-hybrid and ircd-ratbox.

It was discovered that the ratbox IRC server is prone to a denial of service attack via the HELP command. The ircd-hybrid package is not vulnerable to this issue (CVE-2010-0300).

For the stable distribution (lenny), this problem has been fixed in version 1:7.2.2.dfsg.2-4+lenny1 of the ircd-hybrid package and in version 2.2.8.dfsg-2+lenny1 of ircd-ratbox.

Due to a bug in the archive software it was not possible to release the fix for the oldstable distribution (etch) simultaneously. The packages will be released as version 7.2.2.dfsg.2-3+etch1 once they become available.

For the testing distribution (squeeze) and the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your ircd-hybrid/ircd-ratbox packages.

Fixed in:

Debian GNU/Linux 5.0 (lenny)

Source:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1.dsc
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2.orig.tar.gz
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1.diff.gz
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.dsc
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg.orig.tar.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/i/ircd-hybrid/hybrid-dev_7.2.2.dfsg.2-4+lenny1_all.deb
Alpha:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_arm.deb
ARM EABI:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_armel.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_armel.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_armel.deb
HP Precision:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_i386.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_i386.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_mips.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_mips.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_mipsel.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_mipsel.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_s390.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_s390.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox-dbg_2.2.8.dfsg-2+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1_sparc.deb

MD5 checksums of the listed files are available in the original advisory.