DescriptionThe init_nss_hash function in exec/totemcrypto.c in Corosync 2.0 before 2.3 does not properly initialize the HMAC key, which allows remote attackers to cause a denial of service (crash) via a crafted packet.
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
corosync (PTS)buster3.0.1-2+deb10u1fixed
bookworm, sid, trixie3.1.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
corosyncsource(unstable)(not affected)


- corosync <not-affected> (Introduced in v1.99.8-2-ge925f42; bug #699615)

Search for package or bug name: Reporting problems