VDB-126121 · CVE-2018-17910 · BID 105736

Advantech WebAccess 8.3.2 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Advantech WebAccess 8.3.2. The affected element is an unknown function. This manipulation causes memory corruption. This vulnerability is handled as CVE-2018-17910. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Advantech WebAccess 8.3.2 (SCADA Software) and classified as critical. Affected by this vulnerability is some 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. The summary by CVE is:

WebAccess Versions 8.3.2 and prior. The application fails to properly validate the length of user-supplied data, causing a buffer overflow condition that allows for arbitrary remote code execution.

The bug was discovered 10/25/2018. The weakness was released 10/28/2018 with Zero Day Initiative (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2018-17910 since 10/02/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 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 371290 (Advantech WebAccess Multiple Security 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 vulnerability database at SecurityFocus (BID 105736†). Entry connected to this vulnerability is available at VDB-126120. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/02/2018 🔍
10/25/2018 +23 days 🔍
10/25/2018 +0 days 🔍
10/28/2018 +3 days 🔍
10/29/2018 +0 days 🔍
10/30/2018 +1 days 🔍
06/03/2023 +1677 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com⛔
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2018-17910 (🔍)
GCVE (CVE): GCVE-0-2018-17910
GCVE (VulDB): GCVE-100-126121
SecurityFocus: 105736 - Advantech WebAccess ICSA-18-298-02 WebAccess Multiple Security Vulnerabilities
SecurityTracker: 1041957

See also: 🔍

Entryinfo

Created: 10/30/2018 07:33
Updated: 06/03/2023 14:34
Changes: 10/30/2018 07:33 (61), 04/07/2020 16:31 (4), 06/03/2023 14:34 (3)
Complete: 🔍
Cache ID: 216::103

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

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