gps-server.net GPS Tracking Software 2.x Password Reset fn_connect.php password recovery

Summaryinfo

A vulnerability marked as critical has been reported in gps-server.net GPS Tracking Software 2.x. This issue affects some unknown processing of the file fn_connect.php of the component Password Reset. The manipulation leads to password recovery. This vulnerability is traded as CVE-2017-17097. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in gps-server.net GPS Tracking Software 2.x. This issue affects an unknown code of the file fn_connect.php of the component Password Reset. The manipulation with an unknown input leads to a password recovery vulnerability. Using CWE to declare the problem leads to CWE-640. The product contains a mechanism for users to recover or change their passwords without knowing the original password, but the mechanism is weak. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

gps-server.net GPS Tracking Software (self hosted) 2.x has a password reset procedure that immediately resets passwords upon an unauthenticated request, and then sends e-mail with a predictable (date-based) password to the admin, which makes it easier for remote attackers to obtain access by predicting this new password. This is related to the use of gmdate for password creation in fn_connect.php.

The bug was discovered 12/03/2017. The weakness was shared 01/02/2018 (Website). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2017-17097 since 12/03/2017. The attack may be initiated remotely. A simple authentication is needed for exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1552 for this issue.

A public exploit has been developed by Noman Riffat in PHP and been published 3 days after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 30 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:fn_connect.php it is possible to find vulnerable targets with Google Hacking. The code used by the exploit is:

for($seconds=-10;$seconds<10;$seconds++){
echo substr(hash('sha1',gmdate('d F Y G i s u',
time()+$seconds)),0,6).'<br>';

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43431). The entry VDB-111270 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• gps-server.net

Name

• GPS Tracking Software

Version

• 2.x

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion