VAR-202111-0539
Vulnerability from variot - Updated: 2024-11-23 19:28This vulnerability could allow an attacker to send malicious Javascript code resulting in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage, and performing unintended browser action. 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. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/HMI Designer. 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 PM3 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. The product has functions such as data transfer, menu editing and text editing. This vulnerability stems from the software's lack of effective filtering and escaping of parameters submitted by users
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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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