AlienVault Unified Security Management nfcapd Process_ipfix_template_withdraw Heap-based Buffer Overflow Remove Code Execution Vulnerability

2017-07-20T00:00:00
ID ZDI-17-492
Type zdi
Reporter 62600BCA031B9EB5CB4A74ADDDD6771E
Modified 2017-07-20T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of AlienVault Unified Security Management. Authentication is not required to exploit this vulnerability.

The specific flaw exists within nfcapd's Process_ipfix_template_withdraw function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of root.