Debian Security Advisory

DSA-850-1 tcpdump -- infinite loop

Date Reported:
09 Oct 2005
Affected Packages:
tcpdump
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2005-1279.
More information:

"Vade 79" discovered that the BGP dissector in tcpdump, a powerful tool for network monitoring and data acquisition, does not properly handle RT_ROUTING_INFO. A specially crafted BGP packet can cause a denial of service via an infinite loop.

For the old stable distribution (woody) this problem has been fixed in version 3.6.2-2.9.

For the stable distribution (sarge) this problem has been fixed in version 3.8.3-4.

For the unstable distribution (sid) this problem has been fixed in version 3.8.3-4.

We recommend that you upgrade your tcpdump package.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9.dsc
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9.diff.gz
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_sparc.deb

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