Descriptionmain.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/ file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for modification before a root script executes a "kill `cat /run/tinyproxy/`" command.
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 severitylow (attack range: local)
Debian Bugs870307

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tinyproxy (PTS)wheezy, jessie1.8.3-3vulnerable
buster, sid1.8.4-5vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[stretch] - tinyproxy <no-dsa> (Minor issue)
[jessie] - tinyproxy <no-dsa> (Minor issue)
[wheezy] - tinyproxy <no-dsa> (Minor issue)

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