Cisco NX-OS on Nexus 7000 Ethernet Frame-Forwarding Implementation memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco NX-OS on Nexus 7000. It has been declared as problematic. This affects an unknown part of the component Ethernet Frame-Forwarding Implementation. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2013-1226. The attack requires access to the local network. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Cisco NX-OS on Nexus 7000 (Router Operating System) (version now known). This vulnerability affects some unknown processing of the component Ethernet Frame-Forwarding Implementation. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

The Ethernet frame-forwarding implementation in Cisco NX-OS on Nexus 7000 devices allows remote attackers to cause a denial of service (forwarding loop and service outage) via a crafted frame, aka Bug ID CSCug47098.

The weakness was published 04/26/2013 as CVE-2013-1226 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2013-1226 since 01/11/2013. The exploitation appears to be easy. Access to the local network is required for this attack to succeed. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (83846), SecurityFocus (BID 59543†), OSVDB (92819†), Secunia (SA53275†) and Vulnerability Center (SBV-39864†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/11/2013 🔍
04/25/2013 +104 days 🔍
04/25/2013 +0 days 🔍
04/26/2013 +1 days 🔍
04/29/2013 +3 days 🔍
04/29/2013 +0 days 🔍
05/03/2013 +4 days 🔍
06/05/2013 +33 days 🔍
05/04/2019 +2159 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CVE-2013-1226
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-1226 (🔍)
GCVE (CVE): GCVE-0-2013-1226
GCVE (VulDB): GCVE-100-8560
X-Force: 83846
SecurityFocus: 59543 - Cisco Nexus 7000 Series Switches CVE-2013-1226 Remote Denial of Service Vulnerability
Secunia: 53275 - Cisco Nexus 7000 Internal Loop Denial of Service Vulnerability, Less Critical
OSVDB: 92819
Vulnerability Center: 39864 - Cisco NX-OS on Nexus 7000 Remote Denial of Service due to Improper Handling of Non Standard Ethernet Frames, Medium

Entryinfo

Created: 05/03/2013 17:36
Updated: 05/04/2019 19:06
Changes: 05/03/2013 17:36 (65), 05/04/2019 19:06 (3)
Complete: 🔍
Committer:
Cache ID: 216:826:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!