Cisco IOS 12.4/15.0/15.1 Network Address Translation SIP Packet resource management

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco IOS 12.4/15.0/15.1. This affects an unknown part of the component Network Address Translation. The manipulation as part of SIP Packet leads to resource management. This vulnerability is referenced as CVE-2012-0383. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS 12.4/15.0/15.1 (Router Operating System). It has been rated as critical. This issue affects an unknown functionality of the component Network Address Translation. The manipulation as part of a SIP Packet leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (memory consumption, and device hang or reload) via SIP packets that require translation, related to a "memory starvation vulnerability," aka Bug ID CSCti35326.

The weakness was published 03/28/2012 with Cisco as cisco-sa-20120328-nat as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2012-0383 since 01/04/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 58569 (Cisco IOS Software Network Address Translation Vulnerability (cisco-sa-20120328-nat)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43233 (Cisco IOS Software Network Address Translation Vulnerability (cisco-sa-20120328-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 (74432), Tenable (58569), SecurityFocus (BID 52758†), OSVDB (80701†) and Secunia (SA48515†). packetstormsecurity.org is providing further details. Similar entries are available at VDB-4979, VDB-4980, VDB-4981 and VDB-4982. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58569
Nessus Name: Cisco IOS Software Network Address Translation Vulnerability (cisco-sa-20120328-nat)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

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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 🔍
03/29/2012 +1 days 🔍
03/29/2012 +0 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-nat
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2012-0383 (🔍)
GCVE (CVE): GCVE-0-2012-0383
GCVE (VulDB): GCVE-100-4985
X-Force: 74432 - Cisco IOS Network Address Translation feature denial of service, Medium Risk
SecurityFocus: 52758 - Cisco IOS NAT Functionality SIP Denial of Service Vulnerability
Secunia: 48515 - Cisco IOS NAT SIP Processing Denial of Service Vulnerability, Moderately Critical
OSVDB: 80701
SecurityTracker: 1026864 - Cisco IOS SIP NAT Flaw Lets Remote Users Deny Service
Vulnerability Center: 34755 - [cisco-sa-20120328-nat] Cisco IOS NAT Feature Memory Leak Allows Remote DoS via SIP Packets, High

Misc.: 🔍
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Entryinfo

Created: 04/02/2012 22:41
Updated: 03/22/2021 12:23
Changes: 04/02/2012 22:41 (79), 04/10/2017 12:19 (10), 03/22/2021 12:23 (3)
Complete: 🔍
Cache ID: 216:1E8:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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