VDB-111404 · CVE-2017-16728 · BID 102424

Advantech WebAccess up to 8.2 null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess up to 8.2. It has been declared as problematic. The impacted element is an unknown function. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2017-16728. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Advantech WebAccess up to 8.2 (SCADA Software). Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

An Untrusted Pointer Dereference issue was discovered in Advantech WebAccess versions prior to 8.3. There are multiple vulnerabilities that may allow an attacker to cause the program to use an invalid memory address, resulting in a program crash.

The bug was discovered 04/20/2018. The weakness was shared 01/05/2018 by Andrea Micalizzi with Zero Day Initiative (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2017-16728 since 11/09/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 11907 (Advantech WebAccess Multiple Security Vulnerabilities).

Upgrading to version 8.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102424†). The entries VDB-111401, VDB-111402, VDB-111403 and VDB-111405 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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 8.3

Timelineinfo

11/09/2017 🔍
01/04/2018 +56 days 🔍
01/05/2018 +1 days 🔍
01/05/2018 +0 days 🔍
01/06/2018 +1 days 🔍
04/20/2018 +104 days 🔍
01/28/2021 +1014 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com⛔
Researcher: Andrea Micalizzi
Organization: Zero Day Initiative
Status: Not defined

CVE: CVE-2017-16728 (🔍)
GCVE (CVE): GCVE-0-2017-16728
GCVE (VulDB): GCVE-100-111404
SecurityFocus: 102424 - Advantech WebAccess ICSA-18-004-02 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/06/2018 17:14
Updated: 01/28/2021 17:32
Changes: 01/06/2018 17:14 (47), 12/19/2019 20:25 (11), 01/28/2021 17:32 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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