Advantech WebAccess 5.0/6.0 GbScriptAddUp.asp improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability was found in Advantech WebAccess 5.0/6.0 (SCADA Software) and classified as very critical. Affected by this issue is an unknown code block of the file GbScriptAddUp.asp. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

GbScriptAddUp.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform authentication, which allows remote attackers to execute arbitrary code via unspecified vectors.

The weakness was released 02/21/2012 by Luigi Auriemma with Information and Communication Security Technology (Website). The advisory is shared for download at us-cert.gov. This vulnerability is handled as CVE-2012-0240 since 12/21/2011. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/10/2017).

By approaching the search of inurl:GbScriptAddUp.asp it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11895 (Advantech/BroadWin WebAccess Multiple Vulnerabilities).

Upgrading to version 5.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (73274). Entries connected to this vulnerability are available at 60302, 60301, 60300 and 60299.

Productinfo

Type

Vendor

Name

Version

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: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebAccess 5.0

Timelineinfo

12/21/2011 🔍
02/16/2012 +57 days 🔍
02/21/2012 +5 days 🔍
02/21/2012 +0 days 🔍
02/21/2012 +0 days 🔍
03/19/2012 +27 days 🔍
03/23/2015 +1099 days 🔍
04/10/2017 +749 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: us-cert.gov
Researcher: Luigi Auriemma
Organization: Information and Communication Security Technology
Status: Not defined

CVE: CVE-2012-0240 (🔍)
X-Force: 73274
Vulnerability Center: 34685 - Advantech/BroadWin WebAccess Before 7.0 GbScriptAddUp.asp Remote Code Execution Vulnerability, High
SecurityFocus: 52051 - Advantech WebAccess Multiple Remote Vulnerabilities

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/10/2017 12:00
Changes: 03/23/2015 16:50 (53), 04/10/2017 12:00 (11)
Complete: 🔍

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