CVE-2023-39946 — Heap-based Buffer Overflow in Fast-dds

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write6 documents5 sources
Severity
7.5HIGHNVD
CNA8.2OSV9.1
EPSS
0.1%
top 70.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Eprosima Fast-ddsEprosima Fast DDSDebian Linux
Timeline
PublishedAug 11
Latest updateAug 24

Description

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 se…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDeprosima/fast_dds2.6.0 — 2.6.6+3
▶CVEListV5eprosima/fast-dds< 2.6.6+3

Also affects: Debian Linux 11.0, 12.0

🔴Vulnerability Details

3
OSV
fastdds vulnerabilities↗2023-08-24
▶
CVEList
Heap overflow in push_back_helper due to a CDR message↗2023-08-11
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OSV
CVE-2023-39946: eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group↗2023-08-11
▶

📋Vendor Advisories

2
Ubuntu
Fast DDS vulnerabilities↗2023-08-24
▶
Debian
CVE-2023-39946: fastdds - eprosima Fast DDS is a C++ implementation of the Data Distribution Service stand...↗2023
▶
CVE-2023-39946 — Heap-based Buffer Overflow in Fast-dds | cvebase