DescriptionRace condition in pcsd in PCS 0.9.139 and earlier uses a global variable to validate usernames, which allows remote authenticated users to gain privileges by sending a command that is checked for security after another user is authenticated.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pcs (PTS)stretch (security), stretch0.9.155+dfsg-2+deb9u1fixed
bullseye, sid0.10.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pcssource(unstable)(not affected)


- pcs <not-affected> (Fixed before the initial release in Debian)
Patch in Fedora:
Patch in CentOS 7 corresponding to RHSA-2015:1700:!pcs/bafb6400d552c4d9e9cb46ddbe523e8f47e0de63/SOURCES!bz1253289-fixed-session-and-cookies-processing.patch

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