VAR-202106-1204
Vulnerability from variot - Updated: 2023-12-18 11:44The affected product is vulnerable to memory corruption condition due to lack of proper validation of user supplied files, which may allow an attacker to execute arbitrary code. User interaction is required on the WebAccess HMI Designer (versions 2.1.9.95 and prior). Advantech Provided by the company WebAccess/HMI Designer Is Human Machine Interface (HMI) Design software. WebAccess/HMI Designer The following multiple vulnerabilities exist in. * Heap-based buffer overflow (CWE-122) - CVE-2021-33000 ‥ * Out-of-bounds writing (CWE-787) - CVE-2021-33002 ‥ * Buffer error (CWE-119) - CVE-2021-33004 ‥ * Use of freed memory (Use-after-free) (CWE-416) - CVE-2021-42706 ‥ * Cross-site scripting (CWE-79) - CVE-2021-42703The expected impact depends on each vulnerability, but it may be affected as follows. * Project files specially crafted by the attacker (PLF File, SNF File, PM3 File ) Will execute arbitrary code on the system - CVE-2021-33000 , CVE-2021-33002 , CVE-2021-33004 ‥ * Information is stolen or arbitrary code is executed by a third party - CVE-2021-42706 ‥ * Crafted by a remote third party Javascript When the code is sent to the product, it can hijack the user's authentication token, redirect the user to a malicious web page, and perform unintended browser operations. - CVE-2021-42703. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the parsing of PLF files. An attacker can leverage this vulnerability to execute code in the context of the current process. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. The product has functions such as data transmission, menu editing and text editing
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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