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, which was classified as critical, has been found in Cisco IOS 12.0. This issue affects some unknown processing of the component Fragmentation Handler. This manipulation causes privileges management. This vulnerability is registered as CVE-2001-0867. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco IOS 12.0 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Fragmentation Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly filter does not properly filter packet fragments even when the "fragment" keyword is used in an ACL, which allows remote attackers to bypass the intended access controls.

The bug was discovered 11/14/2001. The weakness was published 11/14/2001 by FIRST with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2001-0867. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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 (7555), Tenable (48959), SecurityFocus (BID 3538†), OSVDB (1989†) and Vulnerability Center (SBV-3437†). Similar entries are available at VDB-17720, VDB-17721, VDB-17722 and VDB-17723. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 🔍

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
Researcher: FIRST
Organization: Cisco
Status: Not defined

CVE: CVE-2001-0867 (🔍)
GCVE (CVE): GCVE-0-2001-0867
GCVE (VulDB): GCVE-100-17725

OVAL: 🔍

X-Force: 7555 - Cisco 12000 series router does not filter keyword fragment
SecurityFocus: 3538 - Cisco 12000 Outgoing ACL Fragmented Packet Vulnerability
OSVDB: 1989 - Cisco 12000 Series Router Fragment Keyword ACL Bypass
Vulnerability Center: 3437 - [cisco-sa-20011114-gsr-acl] Cisco 12000 with IOS 12.0 does not properly filter packet fragments, High

See also: 🔍

Entryinfo

Created: 07/11/2014 10:51
Updated: 05/19/2019 11:46
Changes: 07/11/2014 10:51 (75), 05/19/2019 11:46 (1)
Complete: 🔍
Cache ID: 216::103

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