Vulnerability · Published Aug 11, 2023 · Assigned by GitHub_M
CVE-2023-39534Malformed GAP submessage triggers assertion failure
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, 2.9.2, and 2.6.5, a malformed GAP submessage can trigger assertion failure, crashing FastDDS. Version 2.10.0, 2.9.2, 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-2023-39534 |
| Debian:12 | fastdds | 2.9.1+ds-1+deb12u1 | DSA-5481-1 |
| Debian:13 | fastdds | 2.10.1+ds-2 | DEBIAN-CVE-2023-39534 |
Affected products (as reported)
Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
- https://www.debian.org/security/2023/dsa-5481