Cisco IOS 12.4/15.0/15.1/15.2 HTTP Inspection Engine HTTP Message resource management

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

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco IOS 12.4/15.0/15.1/15.2. This impacts an unknown function of the component HTTP Inspection Engine. This manipulation as part of HTTP Message causes resource management. This vulnerability is handled as CVE-2012-0387. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco IOS 12.4/15.0/15.1/15.2 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component HTTP Inspection Engine. The manipulation as part of a HTTP Message leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Memory leak in the HTTP Inspection Engine feature in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted transit HTTP traffic, aka Bug ID CSCtq36153.

The weakness was released 03/28/2012 with Cisco as cisco-sa-20120328-zbfw as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2012-0387 since 01/04/2012. 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.

The vulnerability scanner Nessus provides a plugin with the ID 58574 (Cisco IOS Software Zone-Based Firewall Vulnerabilities (cisco-sa-20120328-zbfw)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43235 (Cisco IOS Software Zone-Based Firewall Vulnerabilities (cisco-sa-20120328-zbfw)).

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 (74435), Tenable (58574), SecurityFocus (BID 52753†), OSVDB (80697†) and Secunia (SA48608†). Additional details are provided at packetstormsecurity.org. Entries connected to this vulnerability are available at VDB-4979, VDB-4980, VDB-4982 and VDB-4983. 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: 7.5
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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Current Price Estimation: 🔍

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Nessus ID: 58574
Nessus Name: Cisco IOS Software Zone-Based Firewall Vulnerabilities (cisco-sa-20120328-zbfw)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

01/04/2012 🔍
03/28/2012 +84 days 🔍
03/28/2012 +0 days 🔍
03/28/2012 +0 days 🔍
03/28/2012 +0 days 🔍
03/28/2012 +0 days 🔍
03/29/2012 +1 days 🔍
03/29/2012 +0 days 🔍
03/29/2012 +0 days 🔍
04/02/2012 +4 days 🔍
04/02/2012 +0 days 🔍
03/22/2021 +3276 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20120328-zbfw
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2012-0387 (🔍)
GCVE (CVE): GCVE-0-2012-0387
GCVE (VulDB): GCVE-100-4981
X-Force: 74435 - Cisco IOS HTTP Inspection engine denial of service, Medium Risk
SecurityFocus: 52753 - Cisco IOS Zone-Based Firewall Multiple Denial of Service Vulnerabilities
Secunia: 48608 - Cisco IOS Zone-Based Firewall Multiple Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 80697
SecurityTracker: 1026861 - Cisco IOS Zone-Based Firewall IP/HTTP/H.323/SIP Bugs Let Remote Users Deny Service
Vulnerability Center: 34750 - [cisco-sa-20120328-zbfw] Cisco IOS Zone Policy Firewall HTTP Inspection Packets DoS Vulnerability, High

Misc.: 🔍
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Entryinfo

Created: 04/02/2012 22:37
Updated: 03/22/2021 12:02
Changes: 04/02/2012 22:37 (78), 04/10/2017 12:17 (10), 03/22/2021 12:02 (3)
Complete: 🔍
Cache ID: 216:773:103

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