CVE-2023-39946 (GCVE-0-2023-39946)
Vulnerability from cvelistv5
Published
2023-08-11 13:37
Modified
2025-02-13 17:03
Severity ?
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6, heap can be overflowed by providing a PID_PROPERTY_LIST parameter that contains a CDR string with length larger than the size of actual content. In `eprosima::fastdds::dds::ParameterPropertyList_t::push_back_helper`, `memcpy` is called to first copy the octet'ized length and then to copy the data into `properties_.data`. At the second memcpy, both `data` and `size` can be controlled by anyone that sends the CDR string to the discovery multicast port. This can remotely crash any Fast-DDS process. Versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6 contain a patch for this issue.
References
Impacted products
Vendor Product Version
eProsima Fast-DDS Version: < 2.6.6
Version: >= 2.7.0, < 2.9.2
Version: >= 2.10.0, < 2.10.2
Version: = 2.11.0
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