VDB-59192 · CVE-2011-1640 · BID 50377

Cisco IOS up to 12.x 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.
7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco IOS up to 12.x. Affected by this issue is some unknown functionality. Such manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2011-1640. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.x (Router Operating System). It has been rated as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

The ethernet-lldp component in Cisco IOS 12.2 before 12.2(33)SXJ1 does not properly support a large number of LLDP Management Address (MA) TLVs, which allows remote attackers to cause a denial of service (device crash) via crafted LLDPDUs, aka Bug ID CSCtj22354.

The weakness was disclosed 10/21/2011 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is handled as CVE-2011-1640. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43240 (Cisco IOS ethernet-lldp component Denial of Service Vulnerability).

Upgrading to version 12.2%2833%29sxh4 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 50377†) and Vulnerability Center (SBV-33625†). The entries VDB-59196, VDB-59195 and VDB-59194 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IOS 12.2%2833%29sxh4

Timelineinfo

04/05/2011 🔍
10/21/2011 +199 days 🔍
10/21/2011 +0 days 🔍
10/21/2011 +0 days 🔍
10/26/2011 +5 days 🔍
10/27/2011 +1 days 🔍
03/23/2015 +1243 days 🔍
11/24/2021 +2438 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1640 (🔍)
GCVE (CVE): GCVE-0-2011-1640
GCVE (VulDB): GCVE-100-59192
SecurityFocus: 50377 - Cisco IOS 'ethernet-lldp' Component Remote Denial of Service Vulnerability
Vulnerability Center: 33625 - Cisco IOS 12.2 before 12.2(33)SXJ1 Multiple LLDP Management Address TLVs Remote DoS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/24/2021 15:11
Changes: 03/23/2015 16:50 (52), 04/04/2017 11:26 (9), 11/24/2021 15:06 (4), 11/24/2021 15:11 (10)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!