Executive Summary

Summary
Title Cisco IOS and IOS XE and Cisco Unified Communications Manager Software Session Initiation Protocol Memory Leak Vulnerability
Informations
Name cisco-sa-20160323-sip First vendor Publication 2016-03-23
Vendor Cisco Last vendor Modification 2016-03-23
Severity (Vendor) N/A Revision 1.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Session Initiation Protocol (SIP) gateway implementation in Cisco IOS, IOS XE, and Cisco Unified Communications Manager Software could allow an unauthenticated, remote attacker to cause a memory leak and eventual reload of an affected device.

The vulnerability is due to improper processing of malformed SIP messages. An attacker could exploit this vulnerability by sending malformed SIP messages to be processed by an affected device. An exploit could allow the attacker to cause a memory leak and eventual reload of the affected device.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability other than disabling SIP on the vulnerable device.

This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-sip

This advisory is part of the March 23, 2016, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes six Cisco Security Advisories that describe six vulnerabilities. All the vulnerabilities have a Security Impact Rating of "High." For a complete list of advisories and links to them, see Cisco Event Response: http://www.cisco.com/c/en/us/about/security-center/event-response/cisco-erp-march-2016.html

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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 22
Os 13

Nessus® Vulnerability Scanner

Date Description
2016-04-01 Name : The remote device is affected by denial of service vulnerability.
File : cisco-sa-20160323-sip-ios.nasl - Type : ACT_GATHER_INFO
2016-04-01 Name : TThe remote device is affected by denial of service vulnerability.
File : cisco-sa-20160323-sip-iosxe.nasl - Type : ACT_GATHER_INFO
2016-04-01 Name : The remote device is affected by denial of service vulnerability.
File : cisco_cucm_a-20160323-sip.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2016-04-02 13:26:25
  • Multiple Updates
2016-03-29 05:29:02
  • Multiple Updates
2016-03-23 21:21:34
  • First insertion