__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN tcpdump [Debian Security Advisory DSA-1353-1] August 15, 2007 15:00 GMT Number R-326 [REVISED 14 Nov 2007] [REVISED 16 Nov 2007] [REVISED 08 Jan 2008] ______________________________________________________________________________ PROBLEM: An integer overflow in the BGP dissector of tcpdump, a powerful tool for network monitoring and data acquisition, may lead to the execution of arbitrary code. PLATFORM: Debian GNU/Linux 3.1 (sarge) and 4.0 (etch) RHEL Desktop Workstation (v. 5 client) Red Hat Enterprise Linux (v. 5 server) Red Hat Enterprise Linux Desktop (v. 5 client) Red Hat Desktop (v. 4) Red Hat Enterprise Linux AS, ES, WS (v. 4) Debian GNU/Linux 4.0 (stable) DAMAGE: May lead to the execution of arbitrary code. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. May lead to the execution of arbitrary ASSESSMENT: code. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-326.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2007/dsa-1353 ADDITIONAL LINKS: https://rhn.redhat.com/errata/RHSA-2007-0368.html https://rhn.redhat.com/errata/RHSA-2007-0387.html http://www.debian.org/security/2008/dsa-1444 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-3798 ______________________________________________________________________________ REVISION HISTORY: 11/14/2007 - revised R-326 to add a link to Red Hat RHSA-2007:0368-4 for RHEL Desktop Workstation (v. 5 client), Red Hat Enterprise Linux (v. 5 server), and Red Hat Enterprise Linux Desktop (v. 5 client). 11/16/2007 - revised R-326 to add a link to Red Hat RHSA-2007:0387-4 for Red Hat Desktop (v. 4) and Red Hat Enterprise Linux AS, ES, WS (v. 4). 01/08/2008 - revised R-326 to add a link to Debian Security Advisory DSA-1444-1 for Debian GNU/Linux 4.0 (stable). [***** Start Debian Security Advisory DSA-1353-1 *****] Debian Security Advisory DSA-1353-1 tcpdump -- integer overflow Date Reported: 11 Aug 2007 Affected Packages: tcpdump Vulnerable: Yes Security database references: In Mitre's CVE dictionary: CVE-2007-3798. More information: It was discovered that an integer overflow in the BGP dissector of tcpdump, a powerful tool for network monitoring and data acquisition, may lead to the execution of arbitrary code. For the oldstable distribution (sarge) this problem has been fixed in version 3.8.3-5sarge3. For the stable distribution (etch) this problem has been fixed in version 3.9.5-2etch1. For the unstable distribution (sid) this problem has been fixed in version 3.9.5-3. We recommend that you upgrade your tcpdump package. Fixed in: Debian GNU/Linux 3.1 (sarge) Source: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3.dsc http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3.diff.gz http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3.orig.tar.gz Alpha: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_alpha.deb AMD64: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_amd64.deb ARM: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_arm.deb HPPA: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_hppa.deb Intel IA-32: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_ia64.deb Motorola 680x0: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_m68k.deb Big endian MIPS: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_mips.deb Little endian MIPS: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.8.3-5sarge3_sparc.deb Debian GNU/Linux 4.0 (etch) Source: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1.dsc http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1.diff.gz http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5.orig.tar.gz Alpha: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_alpha.deb AMD64: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_amd64.deb ARM: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_arm.deb HPPA: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_hppa.deb Intel IA-32: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_ia64.deb Little endian MIPS: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.9.5-2etch1_sparc.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA-1353-1 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Debian for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. 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Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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