Cisco IOS XE up to 3.7 SIP Packet input validation

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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE up to 3.7. It has been rated as problematic. This affects an unknown function of the component SIP Packet Handler. The manipulation leads to input validation. This vulnerability is referenced as CVE-2013-1166. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco IOS XE up to 3.7 (Router Operating System). It has been rated as critical. This issue affects an unknown function of the component SIP Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Cisco IOS XE 3.2 through 3.4 before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR), when VRF-aware NAT and SIP ALG are enabled, allows remote attackers to cause a denial of service (card reload) by sending many SIP packets, aka Bug ID CSCuc65609.

The weakness was published 04/10/2013 with Cisco as cisco-sa-20130410-asr1000 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The public release has been coordinated with Cisco. The identification of this vulnerability is CVE-2013-1166 since 01/11/2013. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 67218 (Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers (cisco-sa-20130410-asr1000)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 3.4.2S eliminates this vulnerability. The upgrade is hosted for download at tools.cisco.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (83369), Tenable (67218), SecurityFocus (BID 59009†), OSVDB (92205†) and Secunia (SA53011†). Similar entries are available at VDB-8223, VDB-8224, VDB-8226 and VDB-8227. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67218
Nessus Name: Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers (cisco-sa-20130410-asr1000)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: IOS XE 3.4.2S

Timelineinfo

01/11/2013 🔍
04/10/2013 +89 days 🔍
04/10/2013 +0 days 🔍
04/10/2013 +0 days 🔍
04/10/2013 +0 days 🔍
04/10/2013 +0 days 🔍
04/11/2013 +1 days 🔍
04/11/2013 +0 days 🔍
04/11/2013 +0 days 🔍
04/14/2013 +3 days 🔍
05/08/2021 +2946 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20130410-asr1000
Organization: Cisco
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-1166 (🔍)
GCVE (CVE): GCVE-0-2013-1166
GCVE (VulDB): GCVE-100-8225

IAVM: 🔍

X-Force: 83369
SecurityFocus: 59009 - Cisco IOS XE SIP Traffic Remote Denial of Service Vulnerability
Secunia: 53011 - Cisco IOS XE 1000 Series ASR Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 92205
SecurityTracker: 1028418 - Cisco IOS XE for 1000 Series Aggregation Services Routers Lets Remote Users Deny Service
Vulnerability Center: 39093 - [cisco-sa-20130410-asr1000] Cisco IOS XE 2.x and 3.x Remote DoS via Crafted SIP Packets, High

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 04/11/2013 11:44
Updated: 05/08/2021 08:16
Changes: 04/11/2013 11:44 (73), 04/27/2017 08:32 (12), 05/08/2021 08:16 (3)
Complete: 🔍
Committer:
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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