var-202110-0997
Vulnerability from variot
Advantech WebAccess versions 9.02 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code. Advantech WebAccess Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Authentication is not required to exploit this vulnerability.The specific flaw exists within the handling of IOCTL 0x2722. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator. Advantech WebAccess is a set of browser-based HMI/SCADA software from Advantech.
A heap buffer overflow vulnerability exists in Advantech WebAccess 9.02 and earlier. The software supports dynamic graphic display and real-time data control, and provides functions of remote control and management of automation equipment
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.