VDB-105988 · CVE-2017-12706 · BID 100526

Advantech WebAccess up to 8.2 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Advantech WebAccess up to 8.2. This vulnerability affects unknown code. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2017-12706. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Advantech WebAccess up to 8.2 (SCADA Software) and classified as critical. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A stack-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

The bug was discovered 08/29/2017. The weakness was presented 08/30/2017 with Tenable Network Security (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2017-12706 since 08/09/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11860 (Advantech WebAccess Multiple Security Vulnerabilities).

Upgrading to version 8.2_20170817 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100526†). See VDB-105985, VDB-105986, VDB-105987 and VDB-105989 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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 8.2_20170817

Timelineinfo

08/09/2017 🔍
08/29/2017 +20 days 🔍
08/29/2017 +0 days 🔍
08/30/2017 +1 days 🔍
08/30/2017 +0 days 🔍
08/31/2017 +1 days 🔍
11/12/2019 +803 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com⛔
Organization: Tenable Network Security
Status: Not defined

CVE: CVE-2017-12706 (🔍)
GCVE (CVE): GCVE-0-2017-12706
GCVE (VulDB): GCVE-100-105988
SecurityFocus: 100526 - Advantech WebAccess ICSA-17-241-02 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/31/2017 10:28
Updated: 11/12/2019 08:54
Changes: 08/31/2017 10:28 (57), 11/12/2019 08:54 (10)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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