Cisco CatOS Firewall Services memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Cisco CatOS. It has been classified as critical. This impacts an unknown function of the component Firewall Services Module. This manipulation causes memory corruption. This vulnerability is handled as CVE-2003-1001. There is not any exploit available.

Detailsinfo

A vulnerability was found in Cisco CatOS (unknown version). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Firewall Services Module. 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:

Buffer overflow in the Cisco Firewall Services Module (FWSM) in Cisco Catalyst 6500 and 7600 series devices allows remote attackers to cause a denial of service (crash and reload) via HTTP auth requests for (1) TACACS+ or (2) RADIUS authentication.

The bug was discovered 12/15/2003. The weakness was released 01/05/2004 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2003-1001 since 12/16/2003. 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 price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/16/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $25k-$100k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (13987), SecurityFocus (BID 9222†), OSVDB (8897†) and Vulnerability Center (SBV-11198†). Entry connected to this vulnerability is available at VDB-446. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Cisco

Name

CatOS

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/15/2003 🔍
12/15/2003 +0 days 🔍
12/15/2003 +0 days 🔍
12/16/2003 +1 days 🔍
01/05/2004 +20 days 🔍
01/05/2004 +0 days 🔍
04/24/2006 +840 days 🔍
09/30/2014 +3081 days 🔍
06/16/2019 +1720 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined

CVE: CVE-2003-1001 (🔍)
GCVE (CVE): GCVE-0-2003-1001
GCVE (VulDB): GCVE-100-21481
X-Force: 13987
SecurityFocus: 9222 - Multiple Cisco FWSM Vulnerabilities
OSVDB: 8897 - CVE-2003-1001 - Cisco - Catalyst 6500 And Catalyst 7600 - Buffer Overflow Issue
Vulnerability Center: 11198 - [cisco-sa-20031215-fwsm] Cisco FWSM DoS via HTTP Auth Requests, High

See also: 🔍

Entryinfo

Created: 09/30/2014 15:32
Updated: 06/16/2019 17:00
Changes: 09/30/2014 15:32 (55), 06/16/2019 17:00 (7)
Complete: 🔍
Cache ID: 216:254:103

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