CVE-2018-0282 : Vulnerability Insights and Analysis

An exploit in the TCP socket code of Cisco IOS and IOS XE Software could lead to device reloading, potentially causing a denial of service (DoS) situation.

Understanding CVE-2018-0282

This CVE involves a vulnerability in Cisco IOS and IOS XE Software that could be exploited to cause affected devices to reload, resulting in a DoS scenario.

What is CVE-2018-0282?

The vulnerability stems from a mismatch between the socket state and the transmission control block (TCB) state in the TCP socket code.
While all TCP applications could be impacted, the HTTP server has been the only observed target.
Exploiting the vulnerability requires sending specific HTTP requests continuously to a vulnerable software's IP address.

The Impact of CVE-2018-0282

Successful exploitation could force the affected device to reload, leading to a DoS situation.

Technical Details of CVE-2018-0282

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows an attacker to cause device reloading by exploiting the TCP socket code mismatch.

Affected Systems and Versions

Product: Cisco IOS
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Availability Impact: High
Base Score: 6.8 (Medium Severity)
No privileges required for exploitation

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2018-0282.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any suspicious HTTP requests.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and audits.

Patching and Updates

Stay informed about security advisories from Cisco and apply relevant patches as soon as they are available.