From jkeating@j2solutions.net Sat Jan 31 15:36:38 2004 From: Jesse Keating To: fedora-legacy-announce@redhat.com, bugtraq@securityfocus.com, full-disclosure@lists.netsys.com Cc: fedora-legacy-list@redhat.com Date: Sat, 31 Jan 2004 11:15:15 -0800 Subject: [Full-Disclosure] [FLSA-2004:1222] Updated tcpdump resolves security vulnerabilites -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ----------------------------------------------------------------------- Fedora Legacy Update Advisory Synopsis: Updated tcpdump resolves security vulnerability Advisory ID: FLSA:1222 Issue date: 2004-01-31 Product: Red Hat Linux Keywords: Security Cross references: https://bugzilla.fedora.us/show_bug.cgi?id=1222 CVE Names: CAN-2003-0989, CAN-2004-0055, CAN-2004-0057 - ----------------------------------------------------------------------- 1. Topic: Updated tcpdump packages are now available that fix multiple security vulnerabilities which may allow remote attackers to exploit these issues by sending carefully-crafted packets to a victim. If the victim uses tcpdump, these packets could result in a denial of service, or possibly execute arbitrary code as the 'pcap' user. 2. Relevant releases/architectures: Red Hat Linux 7.2 - i386 Red Hat Linux 7.3 - i386 Red Hat Linux 8.0 - i386 3. Problem description: Tcpdump is a command-line tool for monitoring network traffic. Tcpdump can capture and display the packet headers on a particular network interface or on all interfaces. Tcpdump can display all of the packet headers, or just the ones that match particular criteria. George Bakos discovered flaws in the ISAKMP decoding routines of tcpdump versions prior to 3.8.1. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0989 to this issue. Jonathan Heusser discovered an additional flaw in the ISAKMP decoding routines for tcpdump 3.8.1 and earlier. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0057 to this issue. Jonathan Heusser discovered a flaw in the print_attr_string function in the RADIUS decoding routines for tcpdump 3.8.1 and earlier. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0055 to this issue. Users of tcpdump should update to these update packages, which contain a backported security patch that corrects this issue. Fedora Legacy would like to thank George Bakos and Jonathan Heusser for discovering and disclosing these issues, as well as Christian Pearce for providing a backported fix for Red Hat Linux 7.2, 7.3, and 8.0. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via yum and apt. Many people find this an easier way to apply updates. To use yum issue: yum update or to use apt: apt-get update; apt-get upgrade This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. This assumes that you have yum or apt-get configured for obtaining Fedora Legacy content. Please visit http://www.fedoralegacy.org/download for directions on how to configure yum and apt-get. 5. Bug IDs fixed: http://bugzilla.fedora.us - 1222 - tcpdump security fix in rh7x, rh80 6. RPMs required: Red Hat Linux 7.2: SRPMS: http://download.fedoralegacy.org/redhat/7.2/updates/SRPMS/tcpdump-3.6.3-17.7.2.4.legacy.src.rpm i386: http://download.fedoralegacy.org/redhat/7.2/updates/i386/tcpdump-3.6.3-17.7.2.4.legacy.i386.rpm http://download.fedoralegacy.org/redhat/7.2/updates/i386/libpcap-0.6.2-17.7.2.4.legacy.i386.rpm http://download.fedoralegacy.org/redhat/7.2/updates/i386/arpwatch-2.1a11-17.7.2.4.legacy.i386.rpm Red Hat Linux 7.3: SRPMS: http://download.fedoralegacy.org/redhat/7.3/updates/SRPMS/tcpdump-3.6.3-17.7.3.4.legacy.src.rpm i386: http://download.fedoralegacy.org/redhat/7.3/updates/i386/tcpdump-3.6.3-17.7.3.4.legacy.i386.rpm http://download.fedoralegacy.org/redhat/7.3/updates/i386/libpcap-0.6.2-17.7.3.4.legacy.i386.rpm http://download.fedoralegacy.org/redhat/7.3/updates/i386/arpwatch-2.1a11-17.7.3.4.legacy.i386.rpm Red Hat Linux 8.0: SRPMS: http://download.fedoralegacy.org/redhat/8.0/updates/SRPMS/tcpdump-3.6.3-17.8.0.5.legacy.src.rpm i386: http://download.fedoralegacy.org/redhat/8.0/updates/i386/tcpdump-3.6.3-17.8.0.5.legacy.i386.rpm http://download.fedoralegacy.org/redhat/8.0/updates/i386/libpcap-0.6.2-17.8.0.5.legacy.i386.rpm http://download.fedoralegacy.org/redhat/8.0/updates/i386/arpwatch-2.1a11-17.8.0.5.legacy.i386.rpm 7. Verification: SHA1 sum Package Name - --------------------------------------------------------------------------- a10c0d99cd919f459a25fdb5562d6907667b33d3 7.2/updates-testing/SRPMS/tcpdump-3.6.3-17.7.2.4.legacy.src.rpm e3777ee05d6b57a81fa08a96b64aa45a0758e42f 7.2/updates-testing/i386/tcpdump-3.6.3-17.7.2.4.legacy.i386.rpm 795dd99495f288aacea6a8775e9aba8eb801e570 7.2/updates-testing/i386/libpcap-0.6.2-17.7.2.4.legacy.i386.rpm 8e860cb231b7dd59345c2f82531d527ca78090b5 7.2/updates-testing/i386/arpwatch-2.1a11-17.7.2.4.legacy.i386.rpm 3b7cb6c9f62c259e2c24d056263281a44a5ce406 7.3/updates-testing/SRPMS/tcpdump-3.6.3-17.7.3.4.legacy.src.rpm cc1f3f75f7eb32a1ea2aa224cbae64190e5dcaf5 7.3/updates-testing/i386/tcpdump-3.6.3-17.7.3.4.legacy.i386.rpm 5aeb410a107e4b82d0f62c6f8931d20998a8e1de 7.3/updates-testing/i386/libpcap-0.6.2-17.7.3.4.legacy.i386.rpm 7fbb66ee934dcb388489c94551c56ac74c3d0540 7.3/updates-testing/i386/arpwatch-2.1a11-17.7.3.4.legacy.i386.rpm c9e455ef10ea70f69e269f6d71c3ded700424ca1 8.0/updates-testing/SRPMS/tcpdump-3.6.3-17.8.0.5.legacy.src.rpm cbb7cd725a50be1cbdbc8ee75a357229e847afac 8.0/updates-testing/i386/tcpdump-3.6.3-17.8.0.5.legacy.i386.rpm 643931721424765748895f57f4ca53dba896378c 8.0/updates-testing/i386/libpcap-0.6.2-17.8.0.5.legacy.i386.rpm 1f9aacbd480af1a754adc9d6190ddc06d2b491ab 8.0/updates-testing/i386/arpwatch-2.1a11-17.8.0.5.legacy.i386.rpm These packages are GPG signed by Fedora Legacy for security. Our key is available from http://www.fedoralegacy.org/about/security.php You can verify each package with the following command: rpm --checksig -v If you only wish to verify that each package has not been corrupted or tampered with, examine only the sha1sum with the following command: sha1sum 8. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0989 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0055 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0057 http://marc.theaimsgroup.com/?l=tcpdump-workers&m=107325073018070&w=2 https://bugzilla.fedora.us/show_bug.cgi?id=1222 9. Contact: The Fedora Legacy security contact is . More project details at http://www.fedoralegacy.org - -- Jesse Keating RHCE (http://geek.j2solutions.net) Fedora Legacy Team (http://www.fedoralegacy.org) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFAG/7D4v2HLvE71NURAtLqAKCLL+tuBNWJK6bD96DRutt5HresYgCdGbvq V2Hh1CT1NYub3ASpcXjwlAo= =bo9z -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html