Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2005.0594 -- RHSA-2005:603-01 Moderate: dhcpcd security update 28 July 2005 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: dhcpcd (DHCP Client Daemon) Publisher: Red Hat Operating System: Red Hat Linux Advanced Workstation 2.1 Red Hat Enterprise Linux AS/ES/WS 2.1 Linux variants UNIX variants Impact: Denial of Service Access: Remote/Unauthenticated CVE Names: CAN-2005-1848 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2005-603.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - --------------------------------------------------------------------- Red Hat Security Advisory Synopsis: Moderate: dhcpcd security update Advisory ID: RHSA-2005:603-01 Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-603.html Issue date: 2005-07-27 Updated on: 2005-07-27 Product: Red Hat Enterprise Linux CVE Names: CAN-2005-1848 - - --------------------------------------------------------------------- 1. Summary: An updated dhcpcd package that fixes a denial of service issue is now available. This update has been rated as having moderate security impact by the Red Hat Security Response Team. 2. Relevant releases/architectures: Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64 Red Hat Linux Advanced Workstation 2.1 - ia64 Red Hat Enterprise Linux ES version 2.1 - i386 Red Hat Enterprise Linux WS version 2.1 - i386 3. Problem description: The dhcpcd package includes a DHCP client daemon. An out of bounds memory read bug was found in dhcpcd. A malicious user on the local network could send a specially crafted DHCP packet to the client causing it to crash. The Common Vulnerabilities and Exposures project assigned the name CAN-2005-1848 to this issue. Users of dhcpcd should update to this erratum package, which contains a patch that resolves this issue. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. 5. Bug IDs fixed (http://bugzilla.redhat.com/): 162009 - CAN-2005-1848 dhcpcd bad packet crash 6. RPMs required: Red Hat Enterprise Linux AS (Advanced Server) version 2.1: SRPMS: ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/dhcpcd-1.3.20pl0-2.src.rpm b2d5aa9d71b2332f0a90a4d91c66f505 dhcpcd-1.3.20pl0-2.src.rpm i386: e2accda34fcf2949a6b0d96b448f664a dhcpcd-1.3.20pl0-2.i386.rpm ia64: 4f766b091e10331658f38828df7dd985 dhcpcd-1.3.20pl0-2.ia64.rpm Red Hat Linux Advanced Workstation 2.1: SRPMS: ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/dhcpcd-1.3.20pl0-2.src.rpm b2d5aa9d71b2332f0a90a4d91c66f505 dhcpcd-1.3.20pl0-2.src.rpm ia64: 4f766b091e10331658f38828df7dd985 dhcpcd-1.3.20pl0-2.ia64.rpm Red Hat Enterprise Linux ES version 2.1: SRPMS: ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/dhcpcd-1.3.20pl0-2.src.rpm b2d5aa9d71b2332f0a90a4d91c66f505 dhcpcd-1.3.20pl0-2.src.rpm i386: e2accda34fcf2949a6b0d96b448f664a dhcpcd-1.3.20pl0-2.i386.rpm Red Hat Enterprise Linux WS version 2.1: SRPMS: ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/dhcpcd-1.3.20pl0-2.src.rpm b2d5aa9d71b2332f0a90a4d91c66f505 dhcpcd-1.3.20pl0-2.src.rpm i386: e2accda34fcf2949a6b0d96b448f664a dhcpcd-1.3.20pl0-2.i386.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://www.redhat.com/security/team/key/#package 7. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1848 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/ Copyright 2005 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFC56sXXlSAg2UNWIIRAnQaAKCwKnbfHWEzjmg/UAKuwlyRWY/xrwCfXJBA 329l/FSa1gZZ6pz95IC2J+o= =pWgD - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBQuhHhih9+71yA2DNAQIx3wP/UMKp649J+s+FXyVgodD+JKBLT5qG1WiA udjB2y3aBwqueYP4/tjNkWhgurr44Ynzn7ijS6szPPnVmObtKzbtx6kmsMdzXA2B 2s+TQj7xWBDPfMwxlQpMi6A5QWT+aCMgB9kKjw2QqOm2jVj1MOIdHnfzFkc3B+bb yHLF+rREb0g= =TmAP -----END PGP SIGNATURE-----