SNMPTT vulnerability allows remote arbitrary command execution on Ubuntu
A lack of input sanitization in SNMPTT's trap execution options allows remote attackers to execute arbitrary shell commands.
Summary
A security vulnerability has been identified in SNMPTT, a tool used for processing SNMP trap notifications. The flaw stems from improper sanitization of trap data when it is passed to specific configuration options designed to run external commands.
This vulnerability affects users running vulnerable versions of SNMPTT on Ubuntu systems. Because the flaw can be triggered via remote trap data, it presents a significant risk of unauthorized command execution on the host system.
Technical breakdown of the SNMPTT flaw
- Defect Class: Improper input sanitization of trap data passed to command execution interfaces.
- Attack Vector: A remote attacker can exploit this vulnerability by sending specially crafted SNMP trap data.
- Affected Configuration Options: The vulnerability specifically involves the EXEC, PREEXEC, and unknown_trap_exec options.
- Impact: Successful exploitation allows for the execution of arbitrary shell commands on the target system.
Why it matters
System administrators monitoring network infrastructure via SNMP must ensure SNMPTT is updated to prevent remote compromise. This highlights the ongoing security risks associated with automated trap processing in network management software.
Original reference: ubuntu.com →