Cisco Firewall 4.1 DCERPC Inspection Engine memory corruption

CVSS Meta Temp Score
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8.2$0-$5k0.00

A vulnerability classified as critical was found in Cisco Firewall 4.1 (Firewall Software). Affected by this vulnerability is an unknown functionality of the component DCERPC Inspection Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.3 before 8.3(2.34), 8.4 before 8.4(4.4), 8.5 before 8.5(1.13), and 8.6 before 8.6(1.3) and the Firewall Services Module (FWSM) 4.1 before 4.1(9) in Cisco Catalyst 6500 series switches and 7600 series routers might allow remote attackers to execute arbitrary code via a crafted DCERPC packet, aka Bug IDs CSCtr21359 and CSCtr27522.

The weakness was shared 10/10/2012 with Cisco as cisco-sa-20121010-fwsm as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The vendor was not involved in the public release. This vulnerability is known as CVE-2012-4661 since 08/24/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 62760 (Cisco ASA 5500 Series Multiple Vulnerabilities (cisco-sa-20121010-asa)), 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 43254 (Cisco ASA 5500 Series Adaptive Security Appliances and Cisco Catalyst 6500 Series ASA Services Module Multiple Vulnerabilities (cisco-sa-20121010-asa)).

Upgrading to version 4.1(9) eliminates this vulnerability. The upgrade is hosted for download at tools.cisco.com.

The vulnerability is also documented in the databases at X-Force (79173) and Tenable (62760). The entries 6668, 6676, 6677 and 6675 are related to this item.

Productinfo

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Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 9.4
VulDB Meta Temp Score: 8.2

VulDB Base Score: 9.4
VulDB Temp Score: 8.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62760
Nessus Name: Cisco ASA 5500 Series Multiple Vulnerabilities (cisco-sa-20121010-asa)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firewall 4.1(9)

Timelineinfo

08/24/2012 🔍
10/10/2012 +47 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/11/2012 +1 days 🔍
10/11/2012 +0 days 🔍
10/12/2012 +1 days 🔍
10/15/2012 +3 days 🔍
10/29/2012 +14 days 🔍
04/18/2021 +3093 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20121010-fwsm
Organization: Cisco
Status: Confirmed

CVE: CVE-2012-4661 (🔍)
IAVM: 🔍

X-Force: 79173 - Cisco Firewall Services Module DCERPC buffer overflow, High Risk
SecurityTracker: 1027640 - Cisco Firewall Services Module Bugs Let Remote Users Execute Arbitrary Code and Deny Service
Vulnerability Center: 36460 - [cisco-sa-20121010-asa, cisco-sa-20121010-fwsm] Multiple Cisco Products Remote Code Execution via Crafted DCERPC Packets, High
SecurityFocus: 55863 - Multiple Cisco Products CVE-2012-4661 Buffer Overflow Vulnerability
Secunia: 50857 - Cisco Firewall Services Module DCERPC Three Vulnerabilities, Moderately Critical
OSVDB: 86146

See also: 🔍

Entryinfo

Created: 10/15/2012 15:11
Updated: 04/18/2021 10:34
Changes: 10/15/2012 15:11 (85), 04/17/2017 19:58 (6), 04/18/2021 10:34 (3)
Complete: 🔍
Committer: olku

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