Cisco IOS 11.0/11.1/11.3/12.0 ICMP Redirect Packet memory allocation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability has been found in Cisco IOS 11.0/11.1/11.3/12.0 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown function of the component ICMP Redirect Packet Handler. The manipulation with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability. The summary by CVE is:

Cisco IOS 11.2.x and 12.0.x does not limit the size of its redirect table, which allows remote attackers to cause a denial of service (memory consumption) via spoofed ICMP redirect packets to the router.

The weakness was disclosed 12/31/2002 with Phenoelit (Website). The advisory is shared at online.securityfocus.com. This vulnerability is known as CVE-2002-2315 since 10/26/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17794 (Cisco IOS ICMP Redirect Denial of Service), 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.

Proper firewalling of is able to address this issue. 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 (9129), Exploit-DB (21465), Tenable (17794), SecurityFocus (BID 4786†) and Vulnerability Center (SBV-6115†). The entries VDB-212790, VDB-215802, VDB-215917 and VDB-215922 are pretty similar.

Productinfo

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Vendor

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Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.5
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 17794
Nessus Name: Cisco IOS ICMP Redirect Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/21/2002 🔍
05/21/2002 +0 days 🔍
05/21/2002 +0 days 🔍
12/31/2002 +224 days 🔍
12/31/2002 +0 days 🔍
11/25/2004 +695 days 🔍
10/26/2007 +1065 days 🔍
01/10/2012 +1537 days 🔍
08/07/2014 +940 days 🔍
09/08/2024 +3685 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: online.securityfocus.com⛔
Organization: Phenoelit
Status: Not defined

CVE: CVE-2002-2315 (🔍)
X-Force: 9129
SecurityFocus: 4786 - Cisco IOS ICMP Redirect Denial Of Service Vulnerability
Vulnerability Center: 6115 - DoS in Cisco IOS via Wrong Handling of ICMP Redirect Messages, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/07/2014 12:19 PM
Updated: 09/08/2024 08:54 PM
Changes: 08/07/2014 12:19 PM (67), 05/26/2019 06:44 PM (1), 09/08/2024 08:54 PM (25)
Complete: 🔍
Cache ID: 35:712:40

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