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Vulnerability CVE-2023-3825
Published: 2023-07-31 Modified: 2023-08-01
| Description: |
PTC??s KEPServerEX Versions 6.0 to 6.14.263 are vulnerable to being made to read a recursively defined object that leads to uncontrolled resource consumption. KEPServerEX uses OPC UA, a protocol which defines various object types that can be nested to create complex arrays. It does not implement a check to see if such an object is recursively defined, so an attack could send a maliciously created message that the decoder would try to decode until the stack overflowed and the device crashed.
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Type:
CWE-400 (Uncontrolled Resource Consumption ('Resource Exhaustion'))
References: |
https://www.cisa.gov/news-events/ics-advisories/icsa-23-208-02
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