Cisco IOS 12.1e Optical Service input validation

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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco IOS 12.1e. This issue affects some unknown processing of the component Optical Service Module. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2002-2239. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical has been found in Cisco IOS 12.1e (Router Operating System). This affects an unknown functionality of the component Optical Service Module. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

The Cisco Optical Service Module (OSM) for the Catalyst 6500 and 7600 series running Cisco IOS 12.1(8)E through 12.1(13.4)E allows remote attackers to cause a denial of service (hang) via a malformed packet.

The bug was discovered 12/11/2002. The weakness was released 12/31/2002 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is uniquely identified as CVE-2002-2239 since 10/14/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 17779 (Cisco IOS OSM Line Card Header Corruption), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (10823), Tenable (17779), SecurityFocus (BID 6358†), OSVDB (60095†) and Vulnerability Center (SBV-20935†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 7.2

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

CVSSv2info

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 17779
Nessus Name: Cisco IOS OSM Line Card Header Corruption
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/11/2002 🔍
12/11/2002 +0 days 🔍
12/11/2002 +0 days 🔍
12/11/2002 +0 days 🔍
12/31/2002 +20 days 🔍
12/31/2002 +0 days 🔍
10/14/2007 +1748 days 🔍
02/17/2009 +492 days 🔍
01/10/2012 +1057 days 🔍
08/06/2014 +939 days 🔍
08/27/2019 +1847 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2002-2239 (🔍)
GCVE (CVE): GCVE-0-2002-2239
GCVE (VulDB): GCVE-100-19881
X-Force: 10823
SecurityFocus: 6358 - Cisco OSM Line Cards Denial Of Service Vulnerability
OSVDB: 60095 - Cisco - OSM Line Cards - Denial Of Service via Malformed Datagram Packet
Vulnerability Center: 20935 - [cisco-sa-20021211-osm-lc-ios] Cisco IOS 12.1(8)E OSM Remote DoS Vulnerability via a Malformed Packet, High

Entryinfo

Created: 08/06/2014 18:19
Updated: 08/27/2019 16:12
Changes: 08/06/2014 18:19 (66), 08/27/2019 16:12 (6)
Complete: 🔍
Cache ID: 216::103

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

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!