Advantech WebAccess 7.2 Password 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	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess 7.2. It has been classified as critical. The affected element is an unknown function. The manipulation of the argument Password leads to memory corruption. This vulnerability is listed as CVE-2014-0992. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Advantech WebAccess 7.2 (SCADA Software). This issue affects an unknown code block. The manipulation of the argument password with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in Advantech WebAccess (formerly BroadWin WebAccess) 7.2 allows remote attackers to execute arbitrary code via the password parameter.

The weakness was presented 09/20/2014 by Ricardo Narvaja (Website). It is possible to read the advisory at ics-cert.us-cert.gov. The identification of this vulnerability is CVE-2014-0992 since 01/07/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 122591 (Advantech WebAccess Multiple Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 16771.

The vulnerability is also documented in the databases at X-Force (95653), SecurityFocus (BID 69538†) and Vulnerability Center (SBV-46300†). See VDB-71362, VDB-71361, VDB-71360 and VDB-71359 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• SCADA Software

Vendor

• Advantech

Name

• WebAccess

Version

• 7.2

License

• commercial

Website

• Vendor: https://www.advantech.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
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/07/2014 🔍
09/02/2014 +238 days 🔍
09/02/2014 +0 days 🔍
09/20/2014 +18 days 🔍
09/20/2014 +0 days 🔍
09/30/2014 +10 days 🔍
03/26/2015 +177 days 🔍
06/07/2017 +804 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: ics-cert.us-cert.gov
Researcher: Ricardo Narvaja
Status: Not defined

CVE: CVE-2014-0992 (🔍)
GCVE (CVE): GCVE-0-2014-0992
GCVE (VulDB): GCVE-100-71363
X-Force: 95653
SecurityFocus: 69538 - Advantech WebAccess CVE-2014-0992 Stack Based Buffer Overflow Vulnerability
Vulnerability Center: 46300 - Advantech WebAccess 7.2 Remote Code Execution due to Stack-Based Buffer Overflow via the Password Parameter, High

See also: 🔍

Entryinfo

Created: 03/26/2015 15:08
Updated: 06/07/2017 11:37
Changes: 03/26/2015 15:08 (59), 06/07/2017 11:37 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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