Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2004.0013 -- Debian Security Advisory DSA 413-1 New Linux 2.4.18 packages fix locate root exploit 07 January 2004 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel-source-2.4.18 kernel-image-2.4.18-1-i386 Publisher: Debian Operating System: Debian GNU/Linux 3.0 Linux Impact: Root Compromise Access Required: Existing Account CVE Names: CAN-2003-0985 Ref: ESB-2004.0007 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 413-1 security@debian.org http://www.debian.org/security/ Martin Schulze January 6th, 2004 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : kernel-source-2.4.18, kernel-image-2.4.18-1-i386 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 2.2.x, 2.4.x and 2.6.x) which may allow a local attacker to gain root privileges. For the stable distribution (woody) this problem has been fixed in kernel-source version 2.4.18-14.1 and kernel-images versions 2.4.18-12.1 and 2.4.18-5woody6 (bf) for the i386 architecture. 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-source-2.4.18/kernel-source-2.4.18_2.4.18-14.1.dsc Size/MD5 checksum: 664 fcb4f5a949cd17a2b528762db8c4a33e http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-source-2.4.18_2.4.18-14.1.diff.gz Size/MD5 checksum: 67239 0ff7d0053ffbf71a66290081300ff759 http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-source-2.4.18_2.4.18.orig.tar.gz Size/MD5 checksum: 29818323 24b4c45a04a23eb4ce465eb326a6ddf2 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-i386_2.4.18-12.1.dsc Size/MD5 checksum: 1193 cdce7e12e094de51f0c3e8baf0492bac http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-i386_2.4.18-12.1.tar.gz Size/MD5 checksum: 69900 a8543111fa965097e71112dbd8caa637 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-image-2.4.18-i386bf_2.4.18-5woody6.dsc Size/MD5 checksum: 656 37430a9bacd8c1b814306d2b0e396498 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-image-2.4.18-i386bf_2.4.18-5woody6.tar.gz Size/MD5 checksum: 26175 486db2749031dd57f81e70f9a251e452 Architecture independent components: http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-doc-2.4.18_2.4.18-14.1_all.deb Size/MD5 checksum: 1719652 cb20d668b1600ddcc336c48ccb02f9ca http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-source-2.4.18_2.4.18-14.1_all.deb Size/MD5 checksum: 24132116 8b06d229ce4861b1d4369bc5dec36588 Intel IA-32 architecture: http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1_2.4.18-12.1_i386.deb Size/MD5 checksum: 3413108 0a6e3d8c65686ab34ba27e7ed79590e0 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-386_2.4.18-12.1_i386.deb Size/MD5 checksum: 3505080 ac13ca0a917bf9b3d9499a4cc33f1a5d http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-586tsc_2.4.18-12.1_i386.deb Size/MD5 checksum: 3505652 7004b821ee15a5ede5ca5e42e8a9593f http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-686_2.4.18-12.1_i386.deb Size/MD5 checksum: 3505770 5ee1efb1e377e836d4bda9d1dab07cdd http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-686-smp_2.4.18-12.1_i386.deb Size/MD5 checksum: 3506916 44491cbfac2f95289f79d369c2e21e5e http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-k6_2.4.18-12.1_i386.deb Size/MD5 checksum: 3505548 67d4e91b95ad433ef9fdcd20d5da7875 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-k7_2.4.18-12.1_i386.deb Size/MD5 checksum: 3505798 3365e0518af36585927bf2fb16b1f05f http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-386_2.4.18-12.1_i386.deb Size/MD5 checksum: 8797862 ce91d7b108975eb6f6ea0650d26a6f78 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-586tsc_2.4.18-12.1_i386.deb Size/MD5 checksum: 8704152 e9ea2bb7d683421a969af5a25fa43f28 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-686_2.4.18-12.1_i386.deb Size/MD5 checksum: 8703368 37e7ffaf947195805028bc48a116d333 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-686-smp_2.4.18-12.1_i386.deb Size/MD5 checksum: 8959818 a4d75382cc604bc1430311d3202be419 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-k6_2.4.18-12.1_i386.deb Size/MD5 checksum: 8660958 0dc21476d147d35ba5a51c52333a6e5e http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-k7_2.4.18-12.1_i386.deb Size/MD5 checksum: 8863054 1c1e0e73a3a21e83272f066003df8035 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-386_2.4.18-12.1_i386.deb Size/MD5 checksum: 228474 8aaa36501bd381a9818a2d2d8d0fc442 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-586tsc_2.4.18-12.1_i386.deb Size/MD5 checksum: 228030 28f38795b063394f3c0d23cce2f34563 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-686_2.4.18-12.1_i386.deb Size/MD5 checksum: 227470 97220060259b9f992d59a535c95115d6 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-686-smp_2.4.18-12.1_i386.deb Size/MD5 checksum: 231132 c51bc7868477f35c86c2b8223fa7d955 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-k6_2.4.18-12.1_i386.deb Size/MD5 checksum: 227126 cfc9d2336a1db612bb9ae26991195ed9 http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-k7_2.4.18-12.1_i386.deb Size/MD5 checksum: 230386 124ee872623959f72c4782ea68b67afb http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-headers-2.4.18-bf2.4_2.4.18-5woody6_i386.deb Size/MD5 checksum: 3410416 8098dd830ebaa8c2ba4f0bb1d28be26e http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-image-2.4.18-bf2.4_2.4.18-5woody6_i386.deb Size/MD5 checksum: 6424802 0c281e78d53c6f759a5725d347c894ca 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) iD8DBQE/+twpW5ql+IAeqTIRAlgGAJ9nr3X+Z0eTVHE0qRjqa6rL1k39WQCdFuEG YiCxr2o+kxWbE724tcYwQ6c= =jbms - -----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 iQCVAwUBP/tajih9+71yA2DNAQFrowP/VE8lhwjnFO92SwoRhmlg//GKEJ1bV1in 3vKPu9b6g2W0Zws320HvvwvkivPZDPTdIsiInWA1Fdtx93R//ql4wOSiflJwmt6G 00GVrFCUckcBJx/ns3Y+Biy/MARKD1k0KQhCF+kjma7jakHtHwagpONKVpx2RS63 iYs3X8mUlsA= =Te6S -----END PGP SIGNATURE-----