SB2018042403 - Multiple vulnerabilities in Cisco IOS XE

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Main Vulnerability Database SB2018042403

SB2018042403 - Multiple vulnerabilities in Cisco IOS XE

Published: April 24, 2018

Security Bulletin ID SB2018042403
Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 25% Medium 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Resource management errors (CVE-ID: CVE-2016-1349)

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists due to incorrect handling of image list parameters. A remote attacker can send specially crafted Smart Install packets to TCP port 4786 and cause the service to crash.

2) Improper resource shutdown (CVE-ID: CVE-2013-1146)

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists due to an unspecified flaw. A remote attacker can cause the service to crash.

3) Improper input validation (CVE-ID: CVE-2012-0385)

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the Smart Install feature due to improper input validation when processing a malformed Smart Install message on TCP port 4786. A remote attacker can cause the service to crash.

4) Remote code execution (CVE-ID: CVE-2011-3271)

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

The weakness exists due to an unspecified flaw. A remote attacker can execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.

References