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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2003.0181 -- RHSA-2003:098-00 Updated 2.4 kernel fixes vulnerability 18 March 2003 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Vendor: Red Hat Operating System: Red Hat Linux 7.1 Red Hat Linux 7.2 Red Hat Linux 7.3 Red Hat Linux 8.0 Linux Platform: Athlon i386 i586 i686 Impact: Root Compromise Access Required: Existing Account CVE Names: CAN-2003-0127 - --------------------------BEGIN INCLUDED TEXT-------------------- - --------------------------------------------------------------------- Red Hat Security Advisory Synopsis: Updated 2.4 kernel fixes vulnerability Advisory ID: RHSA-2003:098-00 Issue date: 2003-03-17 Updated on: 2003-03-17 Product: Red Hat Linux Keywords: ptrace Cross references: Obsoletes: RHSA-2003:025-20 RHBA-2003:069-12 CVE Names: CAN-2003-0127 - --------------------------------------------------------------------- 1. Topic: Updated kernel packages for Red Hat Linux 7.1, 7.2, 7.3, and 8.0 are now available. These packages fix a ptrace-related vulnerability that can lead to elevated (root) privileges. 2. Relevant releases/architectures: Red Hat Linux 7.1 - athlon, i386, i586, i686 Red Hat Linux 7.2 - athlon, i386, i586, i686 Red Hat Linux 7.3 - athlon, i386, i586, i686 Red Hat Linux 8.0 - athlon, i386, i586, i686 3. Problem description: The Linux kernel handles the basic functions of the operating system. A vulnerability has been found in version 2.4.18 of the kernel. This vulnerability makes it possible for local users to gain elevated (root) privileges without authorization. This advisory deals with updates to Red Hat Linux 7.1, 7.2, 7.3, and 8.0. All users of Red Hat Linux 7.1, 7.2, 7.3, and 8.0 should upgrade to these errata packages, which contain patches to fix the vulnerability. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied, especially the additional packages from RHSA-2002:205 and RHSA-2002:206. The procedure for upgrading the kernel manually is documented at: http://www.redhat.com/support/docs/howto/kernel-upgrade/ Please read the directions for your architecture carefully before proceeding with the kernel upgrade. Please note that this update is also available via Red Hat Network. Many people find this to be an easier way to apply updates. 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. Note that you need to select the kernel explicitly on default configurations of up2date. 5. RPMs required: Red Hat Linux 7.1: SRPMS: ftp://updates.redhat.com/7.1/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm athlon: ftp://updates.redhat.com/7.1/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm ftp://updates.redhat.com/7.1/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm i386: ftp://updates.redhat.com/7.1/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm i586: ftp://updates.redhat.com/7.1/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm ftp://updates.redhat.com/7.1/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm i686: ftp://updates.redhat.com/7.1/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.1/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.1/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.1/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm Red Hat Linux 7.2: SRPMS: ftp://updates.redhat.com/7.2/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm athlon: ftp://updates.redhat.com/7.2/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm ftp://updates.redhat.com/7.2/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm i386: ftp://updates.redhat.com/7.2/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm i586: ftp://updates.redhat.com/7.2/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm ftp://updates.redhat.com/7.2/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm i686: ftp://updates.redhat.com/7.2/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.2/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.2/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.2/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm Red Hat Linux 7.3: SRPMS: ftp://updates.redhat.com/7.3/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm athlon: ftp://updates.redhat.com/7.3/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm ftp://updates.redhat.com/7.3/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm i386: ftp://updates.redhat.com/7.3/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.3/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.3/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm ftp://updates.redhat.com/7.3/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm i586: ftp://updates.redhat.com/7.3/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm ftp://updates.redhat.com/7.3/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm i686: ftp://updates.redhat.com/7.3/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.3/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.3/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm ftp://updates.redhat.com/7.3/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm Red Hat Linux 8.0: SRPMS: ftp://updates.redhat.com/8.0/en/os/SRPMS/kernel-2.4.18-27.8.0.src.rpm athlon: ftp://updates.redhat.com/8.0/en/os/athlon/kernel-2.4.18-27.8.0.athlon.rpm ftp://updates.redhat.com/8.0/en/os/athlon/kernel-smp-2.4.18-27.8.0.athlon.rpm i386: ftp://updates.redhat.com/8.0/en/os/i386/kernel-2.4.18-27.8.0.i386.rpm ftp://updates.redhat.com/8.0/en/os/i386/kernel-source-2.4.18-27.8.0.i386.rpm ftp://updates.redhat.com/8.0/en/os/i386/kernel-doc-2.4.18-27.8.0.i386.rpm ftp://updates.redhat.com/8.0/en/os/i386/kernel-BOOT-2.4.18-27.8.0.i386.rpm i586: ftp://updates.redhat.com/8.0/en/os/i586/kernel-2.4.18-27.8.0.i586.rpm ftp://updates.redhat.com/8.0/en/os/i586/kernel-smp-2.4.18-27.8.0.i586.rpm i686: ftp://updates.redhat.com/8.0/en/os/i686/kernel-2.4.18-27.8.0.i686.rpm ftp://updates.redhat.com/8.0/en/os/i686/kernel-smp-2.4.18-27.8.0.i686.rpm ftp://updates.redhat.com/8.0/en/os/i686/kernel-bigmem-2.4.18-27.8.0.i686.rpm ftp://updates.redhat.com/8.0/en/os/i686/kernel-debug-2.4.18-27.8.0.i686.rpm 6. Verification: MD5 sum Package Name - -------------------------------------------------------------------------- addeef535e3590c9c080661b6747c3a8 7.1/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm f604974008bc2f85ddb83edcbd137f08 7.1/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm 87298e818938d0db069030f2737a83c1 7.1/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm d8d7ad334e192989308399924cbf91f8 7.1/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm 2060403022a1dc25a5700356d2d6b649 7.1/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm 02ae46618c1b001874e1330ad57f54fa 7.1/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm b169f55fef2064ef29c753674aaba9b0 7.1/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm 5a970002916eebe2e6665fbbf0a44109 7.1/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm b3fb5228466e86dfb9287c32b89b8118 7.1/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm cab59b8ce75e659243340b811a0e59ad 7.1/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm 5ceca1d559294ba1dee9dcf807a0e442 7.1/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm 007688dc1826fee8abaff646ea77cedc 7.1/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm 53187f3f166aa6e5a500b106d6bff69c 7.1/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm addeef535e3590c9c080661b6747c3a8 7.2/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm f604974008bc2f85ddb83edcbd137f08 7.2/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm 87298e818938d0db069030f2737a83c1 7.2/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm d8d7ad334e192989308399924cbf91f8 7.2/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm 2060403022a1dc25a5700356d2d6b649 7.2/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm 02ae46618c1b001874e1330ad57f54fa 7.2/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm b169f55fef2064ef29c753674aaba9b0 7.2/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm 5a970002916eebe2e6665fbbf0a44109 7.2/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm b3fb5228466e86dfb9287c32b89b8118 7.2/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm cab59b8ce75e659243340b811a0e59ad 7.2/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm 5ceca1d559294ba1dee9dcf807a0e442 7.2/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm 007688dc1826fee8abaff646ea77cedc 7.2/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm 53187f3f166aa6e5a500b106d6bff69c 7.2/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm addeef535e3590c9c080661b6747c3a8 7.3/en/os/SRPMS/kernel-2.4.18-27.7.x.src.rpm f604974008bc2f85ddb83edcbd137f08 7.3/en/os/athlon/kernel-2.4.18-27.7.x.athlon.rpm 87298e818938d0db069030f2737a83c1 7.3/en/os/athlon/kernel-smp-2.4.18-27.7.x.athlon.rpm d8d7ad334e192989308399924cbf91f8 7.3/en/os/i386/kernel-2.4.18-27.7.x.i386.rpm 2060403022a1dc25a5700356d2d6b649 7.3/en/os/i386/kernel-BOOT-2.4.18-27.7.x.i386.rpm 02ae46618c1b001874e1330ad57f54fa 7.3/en/os/i386/kernel-doc-2.4.18-27.7.x.i386.rpm b169f55fef2064ef29c753674aaba9b0 7.3/en/os/i386/kernel-source-2.4.18-27.7.x.i386.rpm 5a970002916eebe2e6665fbbf0a44109 7.3/en/os/i586/kernel-2.4.18-27.7.x.i586.rpm b3fb5228466e86dfb9287c32b89b8118 7.3/en/os/i586/kernel-smp-2.4.18-27.7.x.i586.rpm cab59b8ce75e659243340b811a0e59ad 7.3/en/os/i686/kernel-2.4.18-27.7.x.i686.rpm 5ceca1d559294ba1dee9dcf807a0e442 7.3/en/os/i686/kernel-bigmem-2.4.18-27.7.x.i686.rpm 007688dc1826fee8abaff646ea77cedc 7.3/en/os/i686/kernel-debug-2.4.18-27.7.x.i686.rpm 53187f3f166aa6e5a500b106d6bff69c 7.3/en/os/i686/kernel-smp-2.4.18-27.7.x.i686.rpm 1eca60a3b18951dc74a0d4e59eafea69 8.0/en/os/SRPMS/kernel-2.4.18-27.8.0.src.rpm 097df4f27af2703a8332d136b6a87db4 8.0/en/os/athlon/kernel-2.4.18-27.8.0.athlon.rpm 5ecb81df3091f5fec327d789643b973d 8.0/en/os/athlon/kernel-smp-2.4.18-27.8.0.athlon.rpm 05152635e760b2f15b21e343da99ddf4 8.0/en/os/i386/kernel-2.4.18-27.8.0.i386.rpm 2c737942e4ea911d58b87fcc5a22eece 8.0/en/os/i386/kernel-BOOT-2.4.18-27.8.0.i386.rpm 0d45350f1bc10a45698ca517b2683869 8.0/en/os/i386/kernel-doc-2.4.18-27.8.0.i386.rpm 6db233f9749ca25b3fff2073aa0afaea 8.0/en/os/i386/kernel-source-2.4.18-27.8.0.i386.rpm c6f8aba34d85c7447ab4c2c1ab90e7f2 8.0/en/os/i586/kernel-2.4.18-27.8.0.i586.rpm 80d3cff38bd8d535bbe239a5958730af 8.0/en/os/i586/kernel-smp-2.4.18-27.8.0.i586.rpm 4c0fc846e4faeab3e2e1b966aa65d945 8.0/en/os/i686/kernel-2.4.18-27.8.0.i686.rpm d138caa438cc87fc6835da69626a1602 8.0/en/os/i686/kernel-bigmem-2.4.18-27.8.0.i686.rpm ad41c60b306912c33a4b050511eec08c 8.0/en/os/i686/kernel-debug-2.4.18-27.8.0.i686.rpm c5e17489cee52cd526ebac66604a22ba 8.0/en/os/i686/kernel-smp-2.4.18-27.8.0.i686.rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at http://www.redhat.com/about/contact/pgpkey.html You can verify each package with the following command: rpm --checksig -v <filename> If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: md5sum <filename> 7. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0127 8. Contact: The Red Hat security contact is <security@redhat.com>. More contact details at http://www.redhat.com/solutions/security/news/contact.html Copyright 2003 Red Hat, Inc. - --------------------------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. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your system has been compromised, contact AusCERT or your representative in FIRST (Forum of Incident Response and Security Teams). 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----- Version: 2.6.3i Charset: noconv Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBPnc+0ih9+71yA2DNAQEO0gQAhv/LZpkpQEMxBNCbJ8t6vNDzMibLYqJX CpemqI2EouA2GToqLh4f1a4v65detNjuXcpPKZbGuzcQ+fbozrcD6cxlXyKzOCP7 t3M1L2ffN4JxCfvwfh3kdECFxvhwQEPNlx9kpc7CAmpYVpPMu+ci+f+diZH/uXtG oo+BxFqfqpo= =8/Zs -----END PGP SIGNATURE-----