Cisco IOS 12.0 Fragmentation privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco IOS 12.0. Affected is an unknown function of the component Fragmentation Handler. Such manipulation leads to privileges management. This vulnerability is referenced as CVE-2001-0862. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco IOS 12.0 (Router Operating System). It has been rated as critical. Affected by this issue is an unknown part of the component Fragmentation Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not block non-initial packet fragments, which allows remote attackers to bypass the ACL.

The bug was discovered 11/14/2001. The weakness was published 11/14/2001 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is handled as CVE-2001-0862. 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 MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 48959 (Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router - Cisco Systems), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (7550), Tenable (48959), SecurityFocus (BID 3535†), OSVDB (1985†) and Vulnerability Center (SBV-3431†). Similar entries are available at VDB-17721, VDB-17722, VDB-17723 and VDB-17724. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Privileges management
CWE: CWE-269 / CWE-266
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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Nessus ID: 48959
Nessus Name: Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/14/2001 🔍
11/14/2001 +0 days 🔍
11/14/2001 +0 days 🔍
11/14/2001 +0 days 🔍
11/14/2001 +0 days 🔍
12/06/2001 +22 days 🔍
02/21/2003 +442 days 🔍
01/13/2004 +325 days 🔍
09/01/2010 +2423 days 🔍
07/11/2014 +1409 days 🔍
05/19/2019 +1773 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2001-0862 (🔍)
GCVE (CVE): GCVE-0-2001-0862
GCVE (VulDB): GCVE-100-17720

OVAL: 🔍

X-Force: 7550 - Cisco 12000 series router non-initial packet fragments denial of service
SecurityFocus: 3535 - Cisco Access Control List Fragment Non-blocking Vulnerability
OSVDB: 1985 - Cisco 12000 Series Router Non-Initial Packet Fragment ACL Bypass
Vulnerability Center: 3431 - [cisco-sa-20011114-gsr-acl] Cisco 12000 with IOS 12.0 Allows ACL Bypass, High

See also: 🔍

Entryinfo

Created: 07/11/2014 10:48
Updated: 05/19/2019 11:21
Changes: 07/11/2014 10:48 (75), 05/19/2019 11:21 (1)
Complete: 🔍
Cache ID: 216::103

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