CVE-2012-4503

NameCVE-2012-4503
Descriptioncmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2760-1
Debian Bugs719203

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
chrony (PTS)buster3.4-4+deb10u2fixed
bullseye4.0-8+deb11u2fixed
bookworm4.3-2+deb12u1fixed
sid, trixie4.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
chronysourcesqueeze1.24-3+squeeze1DSA-2760-1
chronysourcewheezy1.24-3.1+deb7u2DSA-2760-1
chronysource(unstable)1.29-1719203
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