Cisco ASA SSL VPN input validation

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.
3.8$0-$5k0.00

A vulnerability classified as problematic has been found in Cisco ASA (Firewall Software) (version now known). Affected is some unknown processing of the component SSL VPN. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity.

The weakness was disclosed 10/08/2014 by Alec Stuart-Muirk as cisco-sa-20141008-asa as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2014-3393 since 05/07/2014. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 78240 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43423 (Multiple Vulnerabilities in Cisco ASA Software (cisco-sa-20141008-asa)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 21412.

The vulnerability is also documented in the databases at X-Force (96865), Tenable (78240), SecurityFocus (BID 70309†), SecurityTracker (ID 1030979†) and Vulnerability Center (SBV-46386†).

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 78240
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 800316
OpenVAS Name: Cisco ASA Clientless SSL VPN Portal Customization Integrity Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

05/07/2014 🔍
10/08/2014 +154 days 🔍
10/08/2014 +0 days 🔍
10/08/2014 +0 days 🔍
10/08/2014 +0 days 🔍
10/09/2014 +1 days 🔍
10/09/2014 +0 days 🔍
10/09/2014 +0 days 🔍
10/10/2014 +1 days 🔍
02/21/2022 +2691 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20141008-asa
Researcher: Alec Stuart-Muirk
Status: Confirmed

CVE: CVE-2014-3393 (🔍)
IAVM: 🔍

X-Force: 96865 - Cisco Adaptive Security Appliance SSL VPN security bypass, Medium Risk
SecurityFocus: 70309 - Cisco Adaptive Security Appliance (ASA) Software CVE-2014-3393 Remote Security Bypass Vulnerability
SecurityTracker: 1030979 - Cisco ASA Multiple Bugs Let Remote Authenticated Users Execute Arbitrary Code, Remote Users Deny Service and Conduct Cross-Site Scripting Attacks, and Local Users Gain Elevated Privileges
Vulnerability Center: 46386 - [cisco-sa-20141008-asa] Cisco ASA Remote XSS via Modifying Customization Objects - CVE-2014-3393, Medium

Entryinfo

Created: 10/09/2014 01:49 PM
Updated: 02/21/2022 01:55 PM
Changes: 10/09/2014 01:49 PM (77), 06/08/2017 09:10 AM (6), 02/21/2022 01:49 PM (3), 02/21/2022 01:55 PM (1)
Complete: 🔍
Cache ID: 3:940:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!