Vulnerability in Eprosima Fast-Dds
CVE-2023-39945
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5, a data submessage sent to PDP port raises unhandled `BadParamException` in fastcdr, which in turn crashes fastdds. Versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5 contain a patch for this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (60.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Eprosima Fast-Dds — versions < 2.6.5, >= 2.7.0, < 2.9.2, >= 2.10.0, < 2.10.2
- Eprosima Fast Dds
- Debian Linux — versions 11.0, 12.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9 (Third Party Advisory)
- bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcap (Third Party Advisory)
- github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cpp (Third Party Advisory)
- www.debian.org/security/2023/dsa-5481 (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-39945?
- CVE-2023-39945 is a high-severity vulnerability in Eprosima Fast-Dds, classified under CWE-248. CVSS score: 8.2/10. Published 2023-08-11.
- How severe is CVE-2023-39945?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-39945 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.