High severity · published Aug 11, 2023
CVE-2023-39945
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
11.0; 12.0 · source: NVD
FD
Fast Dds · Eprosima
2.6.0 before 2.6.5; 2.9.0 before 2.9.2; 2.10.0 before 2.10.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39945
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39945
Third Party Advisory
https://bombshell.gtisc.gatech.edu/ddsfuzz/pcap/fastdds-exception-20230509-02.pcap
Third Party Advisory
https://github.com/eProsima/Fast-CDR/blob/v1.0.26/src/cpp/Cdr.cpp#L72-L79
Third Party Advisory
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-2rq6-8j7x-frr9
Third Party Advisory
https://www.debian.org/security/2023/dsa-5481
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