ppxp does not drop root privileges before opening log files, which allows local users to execute arbitrary commands.
http://www.securityfocus.com/bid/13681
http://www.debian.org/security/2005/dsa-725
Source: Mitre, NVD
Published: 2005-05-19
Updated: 2008-11-15
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H