Cisco IOS up to 12.2xnd resource management

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.
7.1$0-$5k0.00

A vulnerability was found in Cisco IOS up to 12.2xnd (Router Operating System). It has been declared as critical. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (memory corruption and device reload) by using an RFC4271 peer to send an update with a long series of AS numbers, aka Bug ID CSCsy86021.

The weakness was released 07/30/2009 (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2009-1168 since 03/26/2009. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/13/2021).

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 49037 (Cisco IOS Software Border Gateway Protocol 4-Byte Autonomous System Number Vulnerabilities - Cisco Systems), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43161 (Cisco IOS Software Border Gateway Protocol 4-Byte Autonomous System Number Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (52134), Tenable (49037), SecurityFocus (BID 35862†), Secunia (SA36046†) and SecurityTracker (ID 1022619†). Entry connected to this vulnerability is available at VDB-49202.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 49037
Nessus Name: Cisco IOS Software Border Gateway Protocol 4-Byte Autonomous System Number Vulnerabilities - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/26/2009 🔍
07/29/2009 +125 days 🔍
07/29/2009 +0 days 🔍
07/30/2009 +1 days 🔍
07/30/2009 +0 days 🔍
07/30/2009 +0 days 🔍
07/30/2009 +0 days 🔍
09/01/2010 +398 days 🔍
03/18/2015 +1659 days 🔍
08/13/2021 +2340 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Not defined

CVE: CVE-2009-1168 (🔍)
OVAL: 🔍

X-Force: 52134
SecurityFocus: 35862 - Cisco IOS Malformed BGP Anonymous System Path Denial of Service Vulnerability
Secunia: 36046 - Cisco IOS Border Gateway Protocol Two Denial of Service Vulnerabilities, Moderately Critical
SecurityTracker: 1022619
Vulnerability Center: 23004 - Cisco IOS 12.0S - 12.4T Malformed BGP Anonymous System Path Remote DoS Vulnerability, High
Vupen: ADV-2009-2082

See also: 🔍

Entryinfo

Created: 03/18/2015 03:15 PM
Updated: 08/13/2021 08:13 AM
Changes: 03/18/2015 03:15 PM (60), 02/12/2017 01:00 PM (13), 08/13/2021 08:13 AM (3)
Complete: 🔍
Cache ID: 18:BC8:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!