CVE-2021-38425

NameCVE-2021-38425
DescriptioneProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fastdds (PTS)bullseye (security), bullseye2.1.0+ds-9+deb11u1fixed
bookworm, bookworm (security)2.9.1+ds-1+deb12u2fixed
trixie3.0.1+ds-1fixed
sid3.1.0+ds-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fastddssourcebullseye2.1.0+ds-9+deb11u1
fastddssource(unstable)2.6.1+ds-1

Notes

https://github.com/eProsima/Fast-DDS/issues/2267
https://github.com/eProsima/Fast-DDS/pull/2269
https://github.com/eProsima/Fast-DDS/commit/01550cfa1b8313c4cb39529960b41f95e4820312 (v2.6.1)
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

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