SB2018060708 - Remote code execution in Cisco IOS XE
Published: June 7, 2018
Security Bulletin ID
SB2018060708
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory corruption (CVE-ID: CVE-2018-0315)
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists in the authentication, authorization, and accounting (AAA) security services of Cisco IOS XE Software due to boundary error when the software parses a username during login authentication. A remote unauthenticated attacker can attempt to authenticate to an affected device, trigger memory corruption and cause the affected device to reload or execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.