Xtell TTY directory traversal
|xtell-tty-directory-traversal (8313)||Low Risk|
The Xtell package could allow a remote attacker to traverse directories on the Web server. A remote attacker can request a URL that uses "dot dot" sequences (../) in the path to traverse directories and write to arbitrary TTY devices.
For Debian GNU/Linux 2.2 (potato):
Upgrade to the latest version of xtell (1.91.1 or later), as listed in DSA 121-1. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
- BugTraq Mailing List, Wed Feb 27 2002 - 04:31:29 CST: Remote exploit against xtelld and other fun.
- BID-4194: xtell Trusted TTY Device Name Remote Vulnerability
- CVE-2002-0333: Directory traversal vulnerability in xtell (xtelld) 1.91.1 and earlier, and 2.x before 2.7, allows remote attackers to read files with short names, and local users to read more files using a symlink with a short name, via a .. in the TTY argument.
- DSA-121: xtell -- buffer overflow
- OSVDB ID: 9049: xtell TTY Argument Arbitrary File Access
- Debian Debian Linux 2.2
- Xtell Xtell 2.6.1
Feb 27, 2002
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