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Debian DSA 082-1: xvt Critical Buffer Overflow Local Root Exploit

Christophe Bailleux reported on bugtraq that Xvt is vulnerable to a buffer overflow in its argument handling.. -------------------------------------------------------------------------- Debian Security Advisory DSA 082-1 This email address is being protected from spambots. You need JavaScript enabled to view it. Debian -- Security Information Martin Schulze October 18th, 2001 -------------------------------------------------------------------------- Package : xvt Vulnerability : Buffer Overflow Problem-Type : local root exploit Debian-specific: no Christophe Bailleux reported on bugtraq that Xvt is vulnerable to a buffer overflow in its argument handling. Since Xvt is installed setuid root, it was possible for a normal user to pass carefully-crafted arguments to xvt so that xvt executed a root shell. This problem has been fixed by the maintainer in version 2.1-13 of xvt for Debian unstable and 2.1-13.0potato.1 for the stable Debian GNU/Linux 2.2. We recommend that you upgrade your xvt package immediately. 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 2.2 alias potato ------------------------------------ Source archives: MD5 checksum: af96d56c54e9cc37c33ad94fce9a046e MD5 checksum: 7d764dc9635c0c0fe71528dbde31ad7e MD5 checksum: 5727ba381c87361431da3a97ab6034c0 Alpha architecture: MD5 checksum: 2c8b053d550288ccae711af15f7c7fa1 ARM architecture: MD5 checksum: 2c48de17edf03a25f81bdf4fbf680788 Intel ia32 architecture: MD5 checksum: 3fe8465dac109969c871f264d847d467 Motorola 680x0 architecture: MD5 checksum:ce3fb43ff3245fff81c074e67766573b PowerPC architecture: MD5 checksum: 51aee01c7f2b4cfa9f4a6b1fec1edfb7 Sun Sparc architecture: MD5 checksum: 04c3f9ebcbe1cbfcbdce9fecef1b4d1e These files will be moved into the stable distribution on its next revision. --------------------------------------------------------------------------------- For apt-get: deb Debian -- Security Information 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. Package info: `apt-cache show ' and https://www.debian.org/distrib/packages . Critical advisory for xvt buffer overflow local root exploit; immediate upgrade recommended for Debian systems.. Debian Buffer Overflow,xvt Exploit,Local Root Access,Security Advisory. . Severity: Critical. LinuxSecurity.com Team

Oct 18, 2001 •Critical Debian