Title: Knox Arkeia Type 77 Request Remote Stack-Based Buffer Overrun Vulnerability
Severity: CRITICAL
Description:
Knox Arkeia Server is enterprise-based backup software distributed and maintained by Knox Software.
The Knox Arkeia server is prone to a remotely exploitable stack-based buffer overrun. The issue occurs because the software fails to do sufficient bounds checking when handling data contained within a type 77 request packet before copying the data into a finite buffer in stack-based process memory.
A malicious request will allow superfluous request data to corrupt memory adjacent to the affected buffer; this region of memory contains a saved-instructions pointer. As a result, a remote attacker may leverage this vulnerability to execute arbitrary code remotely in the context of the vulnerable service.
This vulnerability is reported to affect versions up to Arkeia Server 5.3.x.
Affected Products:
- Knox Software Arkeia 4.0.0
- Knox Software Arkeia 4.1.0
- Knox Software Arkeia 4.2.0
- Knox Software Arkeia 5.2.0
- Knox Software Arkeia 5.3.0
- S.u.S.E. Linux 6.2.0
References:
- Knox Software: Knox Software Home Page
- Metasploit: Metasploit Framework Exploits
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