On the Trend Micro Threat Discovery Appliance 2.6.1062r1, directory traversal when processing a session_id cookie allows a remote, unauthent

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• trendmicro threat discovery appliance2.6.1062

Other highest-scoring records for the same primary product.

• CVE-2016-7547A command execution flaw on the Trend Micro Threat Discovery Appliance 2.6.1062r1 exists with the timezone parameter in the admin_sys_time.c
  67This week
• CVE-2016-8584Trend Micro Threat Discovery Appliance 2.6.1062r1 and earlier uses predictable session values, which allows remote attackers to bypass authe
  41Plan
• CVE-2016-8593Directory traversal vulnerability in upload.cgi in Trend Micro Threat Discovery Appliance 2.6.1062r1 and earlier allows remote authenticated
  37Monitor
• CVE-2016-8592log_query_system.cgi in Trend Micro Threat Discovery Appliance 2.6.1062r1 and earlier allows remote authenticated users to execute arbitrary
  37Monitor
• CVE-2016-8591log_query.cgi in Trend Micro Threat Discovery Appliance 2.6.1062r1 and earlier allows remote authenticated users to execute arbitrary code a
  37Monitor
• CVE-2016-8590log_query_dlp.cgi in Trend Micro Threat Discovery Appliance 2.6.1062r1 and earlier allows remote authenticated users to execute arbitrary co
  37Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const file = path.join(ROOT, req.query.name);2res.sendFile(file);

1const file = path.resolve(ROOT, req.query.name);2if (!file.startsWith(ROOT + path.sep)) {3  return res.sendStatus(400);4}5res.sendFile(file);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.