var-201810-0493
Vulnerability from variot
WebAccess Versions 8.3.2 and prior. The application fails to properly validate the length of user-supplied data, causing a buffer overflow condition that allows for arbitrary remote code execution. WebAccess Contains a buffer error vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess Client. Authentication is not required to exploit this vulnerability. The specific flaw exists within bwswfcfg.exe, which is accessed through the 0x2711 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator. Advantech (Advantech) WebAccess software is the core of Advantech's IoT application platform solution, providing users with a user interface based on HTML5 technology to achieve cross-platform and cross-browser data access experience. A stack buffer overflow vulnerability exists in Advantech WebAccess. The vulnerability stems from the fact that the software failed to properly verify the length of the data provided by the user. Advantech WebAccess is prone to the following security vulnerabilities: 1. This may aid in further attacks. Advantech WebAccess is a browser-based HMI/SCADA software developed by Advantech. 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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The application fails to properly validate the length of user-supplied data, causing a buffer overflow condition that allows for arbitrary remote code execution. WebAccess Contains a buffer error vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess Client. Authentication is not required to exploit this vulnerability. The specific flaw exists within bwswfcfg.exe, which is accessed through the 0x2711 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator. Advantech (Advantech) WebAccess software is the core of Advantech\u0027s IoT application platform solution, providing users with a user interface based on HTML5 technology to achieve cross-platform and cross-browser data access experience. A stack buffer overflow vulnerability exists in Advantech WebAccess. The vulnerability stems from the fact that the software failed to properly verify the length of the data provided by the user. Advantech WebAccess is prone to the following security vulnerabilities:\n1. This may aid in further attacks. Advantech WebAccess is a browser-based HMI/SCADA software developed by Advantech. 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Sightings
Author | Source | Type | Date |
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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.