Cisco IOS up to 12.2.1 UDP Packet denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS up to 12.2.1. It has been rated as problematic. This issue affects some unknown processing of the component UDP Packet Handler. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2001-1097. Moreover, an exploit is present. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.2.1 (Router Operating System) and classified as problematic. This issue affects an unknown function of the component UDP Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.

The weakness was disclosed 07/24/2001 as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2001-1097. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is available at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Addressing this vulnerability is possible by firewalling .

The vulnerability is also documented in the databases at X-Force (6913), Exploit-DB (21028), SecurityFocus (BID 3096†) and Vulnerability Center (SBV-6043†). The entries VDB-503, VDB-15495, VDB-16074 and VDB-16156 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

07/24/2001 🔍
07/24/2001 +0 days 🔍
07/24/2001 +0 days 🔍
07/25/2001 +1 days 🔍
11/24/2004 +1218 days 🔍
07/07/2014 +3512 days 🔍
08/24/2024 +3701 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2001-1097 (🔍)
GCVE (CVE): GCVE-0-2001-1097
GCVE (VulDB): GCVE-100-17087
X-Force: 6913 - Cisco IOS UDP packet denial of service
SecurityFocus: 3096 - Cisco IOS UDP Denial of Service Vulnerability
Vulnerability Center: 6043 - DoS in Cisco Routers Running IOS 12.0 - 12.2.1 via UDP Flood, High

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

Entryinfo

Created: 07/07/2014 16:06
Updated: 08/24/2024 22:59
Changes: 07/07/2014 16:06 (66), 05/26/2019 11:48 (1), 08/24/2024 22:59 (19)
Complete: 🔍
Cache ID: 216:274:103

Be aware that VulDB is the high quality source for vulnerability data.

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