Stack-based buffer overflow in Cisco IOx - CVE-2017-3853

 

Stack-based buffer overflow in Cisco IOx - CVE-2017-3853

Published: March 23, 2017 / Updated: March 27, 2017


Vulnerability identifier: #VU6164
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-3853
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOx

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to stack-based buffer overflow in the Data-in-Motion (DMo) process. A remote attacker can send a specially crafted packets that are forwarded to the DMo process for evaluation, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution.

How to mitigate CVE-2017-3853

Update to version 1.2.4.2.

Sources