IBM AIX chdev format string attack
| aix-chdev-format-string (19244) |  High Risk |
Description:
IBM AIX is vulnerable to a format string attack in the setuid root chdev program. chdev fails to properly use a formatted printing function. A local attacker, with system group privileges, could supply a specially-crafted argument to execute arbitrary code on the system with root privileges.
Platforms Affected:
- IBM, AIX 5.3
Remedy:
Refer to IBM AIX APAR IY67455 for fix information, when it becomes available. See References.
Consequences:
Gain Privileges
References:
- IBM AIX APAR IY67455, chdev does not use a format string at http://www-1.ibm.com/support/docview.wss?uid=isg1IY67455.
- iDEFENSE Security Advisory 02.07.05, IBM AIX chdev Local Format String Vulnerability at http://www.idefense.com/application/poi/display?id=192&type=vulnerabilities.
- BID-12472: IBM AIX Multiple Device Management Utilities Local Format String Vulnerability
- CVE-2005-0240: Format string vulnerability in chdev on IBM AIX 5.2 allows local users to execute arbitrary code via format string specifiers in a command line argument, which is not properly handled when printing an error message.
Reported:
Feb 07, 2005
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