CVE-2018-15376: Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write Vulnerabilities
First published: Fri Oct 05 2018(Updated: )
A vulnerability in the embedded test subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers could allow an authenticated, local attacker to write arbitrary values to arbitrary locations in the memory space of an affected device. The vulnerability is due to the presence of certain test commands that were intended to be available only in internal development builds of the affected software. An attacker could exploit this vulnerability by using these commands on an affected device. A successful exploit could allow the attacker to write arbitrary values to arbitrary locations in the memory space of the affected device.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | =15.5\(2.21\)t | |
| Cisco IOS | =15.6\(3\)m |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-15376?
CVE-2018-15376 is considered to have a high severity as it allows an authenticated attacker to write arbitrary values to the memory of affected Cisco IOS devices.
How do I fix CVE-2018-15376?
To fix CVE-2018-15376, update your Cisco IOS software to the latest version that addresses this vulnerability.
Which devices are affected by CVE-2018-15376?
CVE-2018-15376 affects Cisco 800 Series Industrial Integrated Services Routers running specific versions of Cisco IOS Software.
Who is the attacker for CVE-2018-15376?
An authenticated, local attacker is required to exploit CVE-2018-15376 to affect the device.
What could happen if CVE-2018-15376 is exploited?
If exploited, CVE-2018-15376 could allow an attacker to modify critical memory locations, potentially leading to system instability or unauthorized access.
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