Advantech WebAccess up to 8.0 Kernel Service RPC Request numeric error
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Advantech WebAccess up to 8.0. This impacts an unknown function of the component Kernel Service. Such manipulation as part of RPC Request leads to numeric error. This vulnerability is documented as CVE-2016-0859. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability was found in Advantech WebAccess up to 8.0 (SCADA Software) and classified as very critical. Affected by this issue is an unknown function of the component Kernel Service. The manipulation as part of a RPC Request leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Integer overflow in the Kernel service in Advantech WebAccess before 8.1 allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted RPC request.
The weakness was released 01/15/2016 by Positive Technologies with Positive Technologies (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability is handled as CVE-2016-0859 since 12/16/2015. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/23/2018).
The commercial vulnerability scanner Qualys is able to test this issue with plugin 124563 (Advantech WebAccess Multiple Security Vulnerabilities).
Upgrading to version 8.1 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 20812.
The vulnerability is also documented in the databases at SecurityFocus (BID 80745†) and Vulnerability Center (SBV-56339†). Entries connected to this vulnerability are available at VDB-80252, VDB-80253, VDB-80254 and VDB-80255. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.advantech.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Numeric errorCWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
OpenVAS ID: 802155
OpenVAS Name: Advantech WebAccess Multiple Vulnerabilities Jan16
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Upgrade: WebAccess 8.1
TippingPoint: 🔍
Timeline
12/16/2015 🔍01/13/2016 🔍
01/13/2016 🔍
01/14/2016 🔍
01/15/2016 🔍
01/15/2016 🔍
02/01/2016 🔍
07/23/2018 🔍
Sources
Vendor: advantech.comAdvisory: ics-cert.us-cert.gov
Researcher: Positive Technologies
Organization: Positive Technologies
Status: Not defined
CVE: CVE-2016-0859 (🔍)
GCVE (CVE): GCVE-0-2016-0859
GCVE (VulDB): GCVE-100-80276
SecurityFocus: 80745 - Advantech WebAccess ICSA-16-014-01 Multiple Security Vulnerabilities
Vulnerability Center: 56339 - Advantech WebAccess before 8.1 Remote Code Execution and DoS due to Integer Overflow in Kernel via RPC Request, Critical
See also: 🔍
Entry
Created: 01/15/2016 09:34Updated: 07/23/2018 07:41
Changes: 01/15/2016 09:34 (67), 07/23/2018 07:41 (12)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.