Cisco NX-OS on Nexus 1000V STUN Packet improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco NX-OS on Nexus 1000V. This affects an unknown function of the component STUN Packet Handler. Such manipulation leads to improper authentication. This vulnerability is listed as CVE-2013-1211. The attack may be performed from remote. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Cisco NX-OS on Nexus 1000V (Router Operating System) (version unknown). It has been rated as problematic. Affected by this issue is an unknown function of the component STUN Packet Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is integrity. CVE summarizes:

Cisco NX-OS on the Nexus 1000V does not properly handle authentication for Virtual Ethernet Module (VEM) to Virtual Supervisor Module (VSM) communication, which allows remote attackers to obtain VEM access via (1) spoofed STUN packets or (2) a crafted VMware ESXi instance, aka Bug ID CSCud14832.

The weakness was presented 05/28/2013 by Felix Lindner (FX) with Recurity Labs as CVE-2013-1211 as confirmed advisory (Website). The advisory is available at tools.cisco.com. The public release was coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2013-1211 since 01/11/2013. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at tools.cisco.com.

The vulnerability is also documented in the databases at X-Force (84710), SecurityFocus (BID 60222†), OSVDB (93733†), Secunia (SA53606†) and Vulnerability Center (SBV-40029†). See VDB-8917, VDB-8919, VDB-8920 and VDB-8921 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: tools.cisco.com

Timelineinfo

01/11/2013 🔍
05/28/2013 +137 days 🔍
05/28/2013 +0 days 🔍
05/29/2013 +1 days 🔍
05/29/2013 +0 days 🔍
05/30/2013 +1 days 🔍
05/31/2013 +1 days 🔍
06/17/2013 +17 days 🔍
05/04/2019 +2147 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CVE-2013-1211
Researcher: Felix Lindner (FX)
Organization: Recurity Labs
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-1211 (🔍)
GCVE (CVE): GCVE-0-2013-1211
GCVE (VulDB): GCVE-100-8918
X-Force: 84710
SecurityFocus: 60222 - Cisco Nexus 1000V NX-OS CVE-2013-1211 Authentication Bypass Vulnerability
Secunia: 53606 - Cisco Nexus 1000V Multiple Vulnerabilities, Less Critical
OSVDB: 93733
Vulnerability Center: 40029 - Cisco NX-OS on Nexus 1000V VEM to VSM Communication Flaw Allows Remote VEM Access - CVE-2013-1211, Medium

See also: 🔍

Entryinfo

Created: 05/31/2013 11:34
Updated: 05/04/2019 19:07
Changes: 05/31/2013 11:34 (71), 05/04/2019 19:07 (3)
Complete: 🔍
Committer:
Cache ID: 216:B7C:103

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