Insecure Ownership and Symlink Vulnerability in groonga-httpd Package for Debian

CVE-2019-11675 · MEDIUM Severity

AV:L/AC:M/AU:N/C:C/I:C/A:C

The groonga-httpd package 6.1.5-1 for Debian sets the /var/log/groonga ownership to the groonga account, which might let local users obtain root access because of unsafe interaction with logrotate. For example, an attacker can exploit a race condition to insert a symlink from /var/log/groonga/httpd to /etc/bash_completion.d. NOTE: this is an issue in the Debian packaging of the Groonga HTTP server.

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