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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2004.0054 -- Debian Security Advisory DSA 427-1 New Linux 2.4.17 packages fix local root exploit (mips+mipsel) 20 January 2004 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel 2.4.x and 2.6.x Publisher: Debian Operating System: Debian GNU/Linux 3.0 Linux Platform: MIPS Impact: Root Compromise Access Required: Existing Account CVE Names: CAN-2003-0985 Ref: ESB-2004.0013 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 427-1 security@debian.org http://www.debian.org/security/ Martin Schulze January 19th, 2004 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : kernel-patch-2.4.17-mips Vulnerability : mising boundary check Problem-Type : local Debian-specific: no CVE ID : CAN-2003-0985 Paul Starzetz discovered a flaw in bounds checking in mremap() in the Linux kernel (present in version 2.4.x and 2.6.x) which may allow a local attacker to gain root privileges. Version 2.2 is not affected by this bug. For the stable distribution (woody) this problem has been fixed in version 2.4.17-0.020226.2.woody3 the mips and mipsel architectures. For the unstable distribution (sid) this problem will be fixed soon with newly uploaded packages. We recommend that you upgrade your kernel packages. This problem has been fixed in the upstream version 2.4.24 as well. Upgrade Instructions - - -------------------- wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 3.0 alias woody - - -------------------------------- Source archives: http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-patch-2.4.17-mips_2.4.17-0.020226.2.woody3.dsc Size/MD5 checksum: 786 0ed0c82eae3f9bdea8b5643080f11231 http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-patch-2.4.17-mips_2.4.17-0.020226.2.woody3.tar.gz Size/MD5 checksum: 1136013 b115834700679688144a44ba55554389 Architecture independent components: http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-patch-2.4.17-mips_2.4.17-0.020226.2.woody3_all.deb Size/MD5 checksum: 1138232 067fa128b07595b293b69c77093c1ceb Big endian MIPS architecture: http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-headers-2.4.17_2.4.17-0.020226.2.woody3_mips.deb Size/MD5 checksum: 3475612 d5ad56a3ed70e47a8da77a82e2736c82 http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r4k-ip22_2.4.17-0.020226.2.woody3_mips.deb Size/MD5 checksum: 2042408 9595b0545e466f8329b6c41df35bd817 http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r5k-ip22_2.4.17-0.020226.2.woody3_mips.deb Size/MD5 checksum: 2042232 70e9777c256a8cf0d0682bcc442467eb Little endian MIPS architecture: http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-headers-2.4.17_2.4.17-0.020226.2.woody3_mipsel.deb Size/MD5 checksum: 3474458 5cf03484bfbd5f6c9ea7fa44c87b5e41 http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r3k-kn02_2.4.17-0.020226.2.woody3_mipsel.deb Size/MD5 checksum: 2196262 6456cdf36e393a624f6155fb229d0364 http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r4k-kn04_2.4.17-0.020226.2.woody3_mipsel.deb Size/MD5 checksum: 2192656 96c8ca1f1a6b7e30ca7b114c075823c8 http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/mips-tools_2.4.17-0.020226.2.woody3_mipsel.deb Size/MD5 checksum: 14928 30ee08d500482dbdea402ef23a52ca6c These files will probably be moved into the stable distribution on its next revision. - - --------------------------------------------------------------------------------- For apt-get: deb http://security.debian.org/ stable/updates main For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main Mailing list: debian-security-announce@lists.debian.org Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg> - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFAC4IuW5ql+IAeqTIRAuguAKCZyIVV3jTxua70XKGScUsJVR9TkACeNh0b fE0TBBx1trHABc5dynDKXm0= =YfrE - -----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. 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 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 iQCVAwUBQAxqpCh9+71yA2DNAQFdYQP/W2205f6DYOe9cQkoMtzwrqS1/EcoUm8q Acz5Qsn07Zwu77DuWVXHIVW8anCV3UV9xsQKQc/RjSfE4Jnc/lbd9V5DaICgpVws 5Te27ut30kJvaKBYkC7deL4rzscOy1NNN0sGG62OVK87B3GblW8oqD7xoouL/6rD B925uBc25Vo= =67j5 -----END PGP SIGNATURE-----