security advisorycriticaldebian
Erik Sjölund discovered that zhcon, a fast console CJK system using the Linux framebuffer, accesses a user-controlled configuration file with elevated privileges. Thus, it is possible to read arbitrary files.. - --------------------------------------------------------------------------Debian Security Advisory DSA 655-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Martin Schulze January 25th, 2005 http://www.debian.org/security/faq - --------------------------------------------------------------------------Package : zhcon Vulnerability : missing privilege release Problem-Type : local Debian-specific: no CVE ID : CAN-2005-0072 Erik Sjölund discovered that zhcon, a fast console CJK system using the Linux framebuffer, accesses a user-controlled configuration file with elevated privileges. Thus, it is possible to read arbitrary files. For the stable distribution (woody) this problem has been fixed in version 0.2-4woody3. For the unstable distribution (sid) this problem will be fixed soon. We recommend that you upgrade your zhcon 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: Size/MD5 checksum: 571 cef550eb0e12c8841fb19dec63b57c18 Size/MD5 checksum: 18162 5757142ee30a5d3e990180a44bfbf8cd Size/MD5 checksum: 4727022 7a15d08e903c0d40f1f659b23185c4c0 Alpha architecture: Size/MD5 checksum: 4577314574567f7d5ff0c730d7c8403da284d62 ARM architecture: Size/MD5 checksum: 4566364 e9cc7274596bd612b85b832945d4fedc Intel IA-32 architecture: Size/MD5 checksum: 4549436 adcaa080b69de7c3d7de5d5c58bd2ee6 Intel IA-64 architecture: Size/MD5 checksum: 4594976 ff8e34b0df2d5548918698972ae71ac4 HP Precision architecture: Size/MD5 checksum: 4590474 68576eb8887b9bda98afc3548704d491 Motorola 680x0 architecture: Size/MD5 checksum: 4545894 419dcce4d28053e9527888f064dd9a9d Big endian MIPS architecture: Size/MD5 checksum: 4557002 70955d5fd0205214a4add453ebda3c9c Little endian MIPS architecture: Size/MD5 checksum: 4555974 81e127f1ebecb1519ccc08472909a6cc PowerPC architecture: Size/MD5 checksum: 4548730 7d99eb0b961e83cf9067355c39ba656b IBM S/390 architecture: Size/MD5 checksum: 4544774 172e282c5c27a5d12a2e3b709b7e89c2 Sun Sparc architecture: Size/MD5 checksum: 4546018 f6d5b53efb642de658498c091884ff7e These files will probably be moved into the stable distribution on its next update. - ---------------------------------------------------------------------------------For apt-get: deb https://www.debian.org/security/ stable/updates main For dpkg-ftp: dists/stable/updates/main Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . A critical security vulnerability in zhcon jeopardizes Debian systems by allowing unauthorized file access due to poor user permission handling, necessitating urgent updates.. Debian Security Advisory, zhcon, privilege escalation, critical issues, file access. . Severity: Critical. LinuxSecurity.com Team
Jan 25, 2005
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