VDB-125879 · CVE-2018-14816 · BID 105728

Advantech WebAccess up to 8.3.1 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess up to 8.3.1. It has been classified as critical. The affected element is an unknown function. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2018-14816. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Advantech WebAccess up to 8.3.1 (SCADA Software) and classified as critical. This issue affects an unknown code block. The manipulation 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:

Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.

The bug was discovered 10/23/2018. The weakness was shared 10/23/2018 with Zero Day Initiative (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2018-14816 since 08/01/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 13335 (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 105728†). The entries VDB-125878, VDB-125880 and VDB-125881 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/01/2018 🔍
10/23/2018 +83 days 🔍
10/23/2018 +0 days 🔍
10/23/2018 +0 days 🔍
10/23/2018 +0 days 🔍
10/24/2018 +1 days 🔍
05/30/2023 +1679 days 🔍

Sourcesinfo

Vendor: advantech.com

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

CVE: CVE-2018-14816 (🔍)
GCVE (CVE): GCVE-0-2018-14816
GCVE (VulDB): GCVE-100-125879
SecurityFocus: 105728 - Advantech ICSA-18-296-01 WebAccess Multiple Security Vulnerabilities
SecurityTracker: 1041939

See also: 🔍

Entryinfo

Created: 10/24/2018 07:02
Updated: 05/30/2023 16:58
Changes: 10/24/2018 07:02 (60), 04/06/2020 09:21 (4), 05/30/2023 16:58 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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