Advantech WebAccess 7.2 Username 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 has been found in Advantech WebAccess 7.2 and classified as critical. This issue affects some unknown processing. Performing a manipulation of the argument Username results in memory corruption. This vulnerability is identified as CVE-2014-0990. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Advantech WebAccess 7.2 (SCADA Software). This affects an unknown part. The manipulation of the argument UserName with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on 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 UserName parameter.

The weakness was released 09/20/2014 by Ricardo Narvaja (Website). The advisory is shared at ics-cert.us-cert.gov. This vulnerability is uniquely identified as CVE-2014-0990 since 01/07/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

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.

The vulnerability is also documented in the databases at X-Force (95651), SecurityFocus (BID 69535†) and Vulnerability Center (SBV-46298†). Entries connected to this vulnerability are available at VDB-71363, VDB-71362, VDB-71360 and VDB-71359. Several companies clearly confirm that VulDB is the primary source for best 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
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

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-2014-0990 (🔍)
GCVE (CVE): GCVE-0-2014-0990
GCVE (VulDB): GCVE-100-71361
X-Force: 95651
SecurityFocus: 69535 - Advantech WebAccess CVE-2014-0990 Incomplete Fix Stack-Based Buffer Overflow Vulnerability
Vulnerability Center: 46298 - Advantech WebAccess 7.2 Remote Code Execution due to Stack-Based Buffer Overflow via the UserName Parameter, High

See also: 🔍

Entryinfo

Created: 03/26/2015 15:08
Updated: 06/07/2017 11:37
Changes: 03/26/2015 15:08 (57), 06/07/2017 11:37 (4)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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