Title: AutoNice Daemon Program Name Format String Vulnerability
Severity: HIGH
Description:
AutoNice Daemon (AND) is a freely available, open source software package designed to limit the activity of system processes. It provides features such as killing a process that has exceeded specific memory or processor resources.
A problem with the daemon could make it possible for a local user to gain elevated privileges. The problem is in the handling of some process names.
When a process has exceeded one of the pre-specified limits set by AND, the daemon will launch, sending the process SIGKILL, or some other such signal to cease operation of the process.
However, when a program executing contains format strings in it's name, such as "%n%n%n%n" or "%c%c%c%c", AND suffers from a format string vulnerability that can allow the string to write to arbitrary sections of process memory, including the return address on the stack.
This problem could allow a local user to execute a maliciously crafted program, and execute code with the privileges of the AND, typically run as root.
Affected Products:
- Patrick Schemitz AutoNice Daemon 1.0.0.0
- Patrick Schemitz AutoNice Daemon 1.0.1
- Patrick Schemitz AutoNice Daemon 1.0.2
- Patrick Schemitz AutoNice Daemon 1.0.3
- Patrick Schemitz AutoNice Daemon 1.0.4
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