Cisco IOS up to 15.2T IPS 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 was found in Cisco IOS up to 15.2T and classified as problematic. This vulnerability affects unknown code of the component IPS. The manipulation results in resource management. This vulnerability is known as CVE-2012-3950. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Cisco IOS up to 15.2T (Router Operating System). Affected is an unknown code of the component IPS. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.

The weakness was published 09/26/2012 with Cisco as cisco-sa-20120926-ios-ips as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2012-3950 since 07/10/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 62374 (Cisco IOS Software Intrusion Prevention System Denial of Service Vulnerability (cisco-sa-20120926-ios-ips)), 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 43285 (Cisco IOS Software Intrusion Prevention System Denial of Service Vulnerability (cisco-sa-20120926-ios-ips)).

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 (78882), Tenable (62374), SecurityFocus (BID 55695†), OSVDB (85815†) and Secunia (SA50777†). Similar entries are available at VDB-6569, VDB-6568, VDB-6567 and VDB-6566. If you want to get best quality of vulnerability data, you may have to visit 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: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62374
Nessus Name: Cisco IOS Software Intrusion Prevention System Denial of Service Vulnerability (cisco-sa-20120926-ios-ips)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

07/10/2012 🔍
09/26/2012 +78 days 🔍
09/26/2012 +0 days 🔍
09/26/2012 +0 days 🔍
09/26/2012 +0 days 🔍
09/26/2012 +0 days 🔍
09/26/2012 +0 days 🔍
09/27/2012 +1 days 🔍
09/27/2012 +0 days 🔍
09/28/2012 +1 days 🔍
09/28/2012 +0 days 🔍
10/01/2012 +3 days 🔍
04/14/2021 +3117 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20120926-ios-ips
Organization: Cisco
Status: Confirmed

CVE: CVE-2012-3950 (🔍)
GCVE (CVE): GCVE-0-2012-3950
GCVE (VulDB): GCVE-100-6570
X-Force: 78882 - Cisco IOS Intrusion Prevention System denial of service, Medium Risk
SecurityFocus: 55695 - Cisco IOS CVE-2012-3950 Remote Denial of Service Vulnerability
Secunia: 50777 - Cisco IOS Intrusion Prevention System DNS Packet Handling Denial of Service Vulnerability, Moderately Critical
OSVDB: 85815
SecurityTracker: 1027580 - Cisco IOS Intrusion Prevention System DNS Processing Bug Lets Remote Users Deny Service
Vulnerability Center: 36260 - [cisco-sa-20120926-ios-ips] Cisco IOS 12.3-12.4 and 15.0-15.2 Remote DoS via DNS Packets, Medium

See also: 🔍

Entryinfo

Created: 10/01/2012 18:00
Updated: 04/14/2021 14:58
Changes: 10/01/2012 18:00 (79), 04/17/2017 11:28 (8), 04/14/2021 14:58 (3)
Complete: 🔍
Committer:
Cache ID: 216:646:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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