Vulnerability · Published Aug 11, 2023 · Assigned by GitHub_M
CVE-2023-39948Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds
High 7.5
In plain English
A high-severity security flaw in Fast-DDS from eProsima. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 35.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0 and 2.6.5, the `BadParamException` thrown by Fast CDR is not caught in Fast DDS. This can remotely crash any Fast DDS process. Versions 2.10.0 and 2.6.5 contain a patch for this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | fastdds | 2.9.1+ds-1+deb12u1 | DEBIAN-CVE-2023-39948 |
| Debian:12 | fastdds | 2.9.1+ds-1+deb12u1 | DSA-5481-1 |
| Debian:13 | fastdds | 2.10.1+ds-2 | DEBIAN-CVE-2023-39948 |
Affected products (as reported)
Weakness: CWE-248 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H