Advantech WebAccess up to 8.3.2 opcImg.asp HTTP Request memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Advantech WebAccess up to 8.3.2 (SCADA Software). This affects some unknown functionality of the file broadweb/system/opcImg.asp. The manipulation as part of a HTTP Request leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability by sending a crafted HTTP request to broadweb/system/opcImg.asp.
The bug was discovered 10/18/2018. The weakness was released 10/22/2018 (Website). The advisory is shared at tenable.com. This vulnerability is uniquely identified as CVE-2018-15704 since 08/22/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is required for exploitation. Technical details are known, but no exploit is 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. By approaching the search of inurl:broadweb/system/opcImg.asp it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Entry connected to this vulnerability is available at 125840.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.5
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/22/2018 🔍10/18/2018 🔍
10/22/2018 🔍
10/22/2018 🔍
10/23/2018 🔍
04/05/2020 🔍
Sources
Vendor: advantech.comAdvisory: tenable.com
Status: Not defined
CVE: CVE-2018-15704 (🔍)
See also: 🔍
Entry
Created: 10/23/2018 06:54Updated: 04/05/2020 21:40
Changes: 10/23/2018 06:54 (59), 04/05/2020 21:40 (1)
Complete: 🔍
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