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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2005.0068 -- Debian Security Advisory DSA 649-1 New xtrlock packages fix authentication bypass 21 January 2005 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xtrlock Publisher: Debian Operating System: Debian GNU/Linux 3.0 Linux variants Impact: Inappropriate Access Access: Console/Physical CVE Names: CAN-2005-0079 Original Bulletin: http://www.debian.org/security/2005/dsa-649 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 649-1 security@debian.org http://www.debian.org/security/ Martin Schulze January 20th, 2005 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : xtrlock Vulnerability : buffer overflow Problem-Type : local Debian-specific: no CVE ID : CAN-2005-0079 Debian Bug : 278190 278191 A buffer overflow has been discovered in xtrlock, a minimal X display lock program which can be exploited by a malicious local attacker to crash the lock program and take over the desktop session. For the stable distribution (woody) this problem has been fixed in version 2.0-6woody2. For the unstable distribution (sid) this problem has been fixed in version 2.0-9. We recommend that you upgrade your xtrlock package. 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/x/xtrlock/xtrlock_2.0-6woody2.dsc Size/MD5 checksum: 500 d39ea1ae4ee66338786d018406065022 http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2.tar.gz Size/MD5 checksum: 6977 6e6cfc0627bb74bd5014b550c2ea7a5f Alpha architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_alpha.deb Size/MD5 checksum: 9604 d05e56b7856e770b1b43daaf43a0dc3d ARM architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_arm.deb Size/MD5 checksum: 8604 f0d46d569f47ecb8a138c9f91be6cdc6 Intel IA-32 architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_i386.deb Size/MD5 checksum: 8730 63b6233b95553ffa59de4811c06a6502 Intel IA-64 architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_ia64.deb Size/MD5 checksum: 10104 ab12fc340b57cb3cbd58cbb0e6e1c188 HP Precision architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_hppa.deb Size/MD5 checksum: 8988 cd59712f225ec6d790ad608a8c0dac3a Motorola 680x0 architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_m68k.deb Size/MD5 checksum: 8606 abac92671aefe845c7fd609668a9f367 Big endian MIPS architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_mips.deb Size/MD5 checksum: 8830 1a09a3a4e99e8c5f94a555ad8f9fc0c0 Little endian MIPS architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_mipsel.deb Size/MD5 checksum: 8828 7f56d17dd068abe7cb99a47f2e328fc9 PowerPC architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_powerpc.deb Size/MD5 checksum: 8636 cd7dfdba990035bc942e1c16844eefcd IBM S/390 architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_s390.deb Size/MD5 checksum: 9128 f85ab602c4160b29bdb98170114b2368 Sun Sparc architecture: http://security.debian.org/pool/updates/main/x/xtrlock/xtrlock_2.0-6woody2_sparc.deb Size/MD5 checksum: 11340 c5b11b174068e3b0ebc61aa5f6cf9412 These files will probably be moved into the stable distribution on its next update. - - --------------------------------------------------------------------------------- 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 v1.2.5 (GNU/Linux) iD8DBQFB74S0W5ql+IAeqTIRApNNAJ90ul19QanusFjVAGWC0SAozK0DvgCffYYF /oPUNRKDjXVfZv1kwhd326U= =86PR - -----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 iQCVAwUBQfBc0Sh9+71yA2DNAQJHdwP/Se0M8xqWd086cewbb4zm82XJKSzeQN8q ktWeEH/wOs3Qn7F+h/b91oHcrZFg0fJX5phmHIh+eXi/CmxqA0SP7SZTqd1yAAuy /hiWEQamUyrozQEwsSvPWTr6BcghpeNXJOPYiTVqhPGBp8fslAoa+Mc1EccOt63r 4Wj3CK4AaRA= =HZhP -----END PGP SIGNATURE-----