VDB-100901 · CVE-2017-7929 · BID 98311

Advantech WebAccess up to 8.1 Absolute path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Advantech WebAccess up to 8.1 and classified as critical. This impacts an unknown function. The manipulation leads to path traversal (Absolute). This vulnerability is documented as CVE-2017-7929. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Advantech WebAccess up to 8.1 (SCADA Software). This issue affects an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability (Absolute). Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, and integrity. The summary by CVE is:

An Absolute Path Traversal issue was discovered in Advantech WebAccess Version 8.1 and prior. The absolute path traversal vulnerability has been identified, which may allow an attacker to traverse the file system to access restricted files or directories.

The bug was discovered 05/04/2017. The weakness was released 05/06/2017 with Zero Day Initiative (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2017-7929 since 04/18/2017. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

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.

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 98311†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
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

Name: Absolute
Class: Path traversal / Absolute
CWE: CWE-22
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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OpenVAS ID: 802155
OpenVAS Name: Advantech WebAccess Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2017 🔍
05/04/2017 +16 days 🔍
05/04/2017 +0 days 🔍
05/05/2017 +1 days 🔍
05/06/2017 +1 days 🔍
05/06/2017 +0 days 🔍
12/22/2020 +1326 days 🔍

Sourcesinfo

Vendor: advantech.com

Advisory: securityfocus.com⛔
Researcher: Zhou Yu working with Trend Micro???s Zero Day Initiative.
Organization: Zero Day Initiative
Status: Not defined

CVE: CVE-2017-7929 (🔍)
GCVE (CVE): GCVE-0-2017-7929
GCVE (VulDB): GCVE-100-100901
SecurityFocus: 98311 - Advantech WebAccess CVE-2017-7929 Directory Traversal Vulnerability
OSVDB: - CVE-2017-7929 - Advantech - Webaccess - Medium

Entryinfo

Created: 05/06/2017 18:33
Updated: 12/22/2020 13:54
Changes: 05/06/2017 18:33 (63), 09/24/2020 10:20 (5), 12/22/2020 13:54 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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