VDB-105986 · CVE-2017-12702 · BID 100526

Advantech WebAccess up to 8.2 format string

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess up to 8.2. It has been declared as critical. Affected by this issue is some unknown functionality. Such manipulation leads to format string. This vulnerability is documented as CVE-2017-12702. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, 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 format string vulnerability. Using CWE to declare the problem leads to CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An Externally Controlled Format String issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. String format specifiers based on user provided input are not properly validated, which could allow an attacker to execute arbitrary code.

The bug was discovered 08/29/2017. The weakness was released 08/30/2017 with Tenable Network Security (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2017-12702 since 08/09/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not 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†). Entries connected to this vulnerability are available at VDB-105985, VDB-105987, VDB-105988 and VDB-105989. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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-2017-12702 (🔍)
GCVE (CVE): GCVE-0-2017-12702
GCVE (VulDB): GCVE-100-105986
SecurityFocus: 100526 - Advantech WebAccess ICSA-17-241-02 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/31/2017 10:28
Updated: 11/12/2019 08:48
Changes: 08/31/2017 10:28 (57), 11/12/2019 08:48 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!