High severity · published Aug 11, 2023
CVE-2023-39949
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group
7.5
CVSS
1%
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 2.9.1 and 2.6.5, improper validation of sequence numbers may lead to remotely reachable assertion failure. This can remotely crash any Fast-DDS process. Versions 2.9.1 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)1.0% · higher than 64% 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 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39949
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39949
Third Party Advisory
https://github.com/eProsima/Fast-DDS/blob/v2.9.0/src/cpp/rtps/messages/MessageReceiver.cpp#L1059
Third Party Advisory
https://github.com/eProsima/Fast-DDS/issues/3236
Third Party Advisory
https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-3jv9-j9x3-95cg
Third Party Advisory
https://www.debian.org/security/2023/dsa-5481
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