Vulnerability in Eprosima Fast-dds
CVE-2023-39534
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0, 2.9.2, and 2.6.5, a malformed GAP submessage can trigger assertion failure, crashing FastDDS. Ver…
EPSS: 0.001 (29.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Eprosima Fast-dds — versions < 2.6.5, >= 2.7.0, < 2.9.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-fcr6-x23w-94wp (x_refsource_CONFIRM)
- https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-assert-230509.pcap (x_refsource_MISC)
- https://github.com/eProsima/Fast-DDS/blob/v2.9.1/include/fastdds/rtps/common/SequenceNumber.h#L238-L252 (x_refsource_MISC)
- https://github.com/eProsima/Fast-DDS/blob/v2.9.1/src/cpp/rtps/reader/StatefulReader.cpp#L863 (x_refsource_MISC)
- www.debian.org/security/2023/dsa-5481
Frequently asked questions
- What is CVE-2023-39534?
- CVE-2023-39534 is a high-severity vulnerability in Eprosima Fast-dds, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2023-08-11.
- How severe is CVE-2023-39534?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-39534 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.