Cisco IPS 4200/4300/4500 Analysis Engine input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability, which was classified as critical, was found in Cisco IPS 4200/4300/4500. Affected is an unknown code block of the component Analysis Engine. 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. CVE summarizes:

The produce-verbose-alert feature in Cisco IPS Software 7.1 before 7.1(8)E4 and 7.2 before 7.2(2)E4 allows remote attackers to cause a denial of service (Analysis Engine process outage) via fragmented packets, aka Bug ID CSCui91266.

The weakness was published 02/19/2014 as Alert ID 32838 as confirmed alert (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2014-0718 since 01/02/2014. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 72705 (Multiple Vulnerabilities in Cisco Intrusion Prevention System Software (cisco-sa-20140219-ips)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 7.1(8)E4, 7.2(2)E4 or 7.3 eliminates this vulnerability. The upgrade is hosted for download at tools.cisco.com. It is possible to mitigate the problem by applying the configuration setting Disable produce-verbose-alert Action. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (91194), Tenable (72705), SecurityFocus (BID 65665†), Secunia (SA56980†) and Vulnerability Center (SBV-43344†). Similar entries are available at VDB-12359 and VDB-12361. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 72705
Nessus Name: Multiple Vulnerabilities in Cisco Intrusion Prevention System Software (cisco-sa-20140219-ips)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IPS 7.1(8)E4/7.2(2)E4/7.3
Config: Disable produce-verbose-alert Action

Timelineinfo

01/02/2014 🔍
02/19/2014 +48 days 🔍
02/19/2014 +0 days 🔍
02/19/2014 +0 days 🔍
02/20/2014 +1 days 🔍
02/20/2014 +0 days 🔍
02/22/2014 +2 days 🔍
02/22/2014 +0 days 🔍
02/26/2014 +4 days 🔍
06/09/2021 +2660 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Alert ID 32838
Status: Confirmed

CVE: CVE-2014-0718 (🔍)
GCVE (CVE): GCVE-0-2014-0718
GCVE (VulDB): GCVE-100-12360

IAVM: 🔍

X-Force: 91194 - Cisco Intrusion Prevention System analysis engine denial of service, High Risk
SecurityFocus: 65665 - Cisco IPS Software CVE-2014-0718 Denial of Service Vulnerability
Secunia: 56980 - Cisco Intrusion Prevention System (IPS) Multiple Denial of Service Vulnerabilities, Less Critical
Vulnerability Center: 43344 - [cisco-sa-20140219-ips] Cisco IPS Remote DoS Vulnerability by Malformed TCP Packets (CVE-2014-0718), High

See also: 🔍

Entryinfo

Created: 02/22/2014 02:59 PM
Updated: 06/09/2021 04:32 PM
Changes: 02/22/2014 02:59 PM (79), 05/21/2017 02:16 PM (1), 06/09/2021 04:32 PM (3)
Complete: 🔍
Cache ID: 18:F3E:40

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