Cisco Trust Agent authentication spoofing

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

A vulnerability, which was classified as critical, was found in Cisco Trust Agent (version unknown). Affected is some unknown functionality. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-290. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cisco Secure ACS does not require authentication when Cisco Trust Agent (CTA) transmits posture information, which might allow remote attackers to gain network access via a spoofed Network Endpoint Assessment posture, aka "NACATTACK." NOTE: this attack might be limited to authenticated users and devices.

The bug was discovered 03/30/2007. The weakness was published 03/20/2007 (Website). The advisory is shared for download at blackhat.com. This vulnerability is traded as CVE-2007-1800 since 04/02/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/17/2019).

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 (33557) and Vulnerability Center (SBV-14761).

Productinfoedit

Vendor

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CPE 2.3infoedit

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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: 🔍

CVSSv2infoedit

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-290
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Economy: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

03/20/2007 🔍
03/30/2007 +9 days 🔍
03/30/2007 +0 days 🔍
04/02/2007 +3 days 🔍
04/02/2007 +0 days 🔍
04/04/2007 +2 days 🔍
04/22/2007 +18 days 🔍
03/27/2014 +2530 days 🔍
03/13/2015 +351 days 🔍
07/17/2019 +1587 days 🔍

Sourcesinfoedit

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

Advisory: blackhat.com
Status: Not defined

CVE: CVE-2007-1800 (🔍)
X-Force: 33557
Vulnerability Center: 14761 - [cisco-sr-20070330-cta] Cisco Secure ACS Posture Information Disclosure Allows Remote Network Access, Medium
OSVDB: 34123 - Cisco Secure ACS Cisco Trust Agent (CTA) Authentication Weakness (NACATTACK)

Entryinfoedit

Created: 03/13/2015 02:56 PM
Updated: 07/17/2019 11:15 AM
Changes: (1) vulnerability_discoverydate
Complete: 🔍

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