Cisco IOS up to 12.4/15.2 NAT resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS up to 12.4/15.2. Affected by this issue is some unknown functionality of the component NAT Handler. Executing a manipulation can lead to resource management. This vulnerability appears as CVE-2012-4619. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.4/15.2 (Router Operating System). It has been declared as critical. This vulnerability affects some unknown functionality of the component NAT Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtr46123.

The weakness was presented 09/26/2012 with Cisco as cisco-sa-20120926-nat as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2012-4619 since 08/24/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 62375 (Cisco IOS Software Network Address Translation Vulnerabilities (cisco-sa-20120926-nat)), 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 43283 (Cisco IOS Software Network Address Translation Vulnerabilities (cisco-sa-20120926-nat)).

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 (78879), Tenable (62375), SecurityFocus (BID 55705†), OSVDB (85813†) and Secunia (SA50779†). See VDB-62460 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62375
Nessus Name: Cisco IOS Software Network Address Translation Vulnerabilities (cisco-sa-20120926-nat)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/24/2012 🔍
09/26/2012 +33 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 🔍
10/01/2012 +3 days 🔍
04/14/2021 +3117 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20120926-nat
Organization: Cisco
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-4619 (🔍)
GCVE (CVE): GCVE-0-2012-4619
GCVE (VulDB): GCVE-100-6568
X-Force: 78879
SecurityFocus: 55705 - Cisco IOS NAT Functionality CVE-2012-4619 Denial of Service Vulnerability
Secunia: 50779 - Cisco IOS SIP and IP NAT Processing Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 85813
SecurityTracker: 1027579 - Cisco IOS NAT Bugs Let Remote Users Deny Service
Vulnerability Center: 36257 - [cisco-sa-20120926-nat] Cisco IOS NAT Implementation Allows Remote DoS, High

See also: 🔍

Entryinfo

Created: 10/01/2012 17:26
Updated: 04/14/2021 14:46
Changes: 10/01/2012 17:26 (72), 04/17/2017 11:27 (11), 04/14/2021 14:46 (3)
Complete: 🔍
Committer:
Cache ID: 216::103

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