SB2017071717 - Multiple vulnerabilities in Metinfo

Description

This security bulletin contains information about 4 vulnerabilities.

1) Path traversal (CVE-ID: CVE-2017-14513)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in MetInfo 5.3.17. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to read information from any ini format file via the f_filename parameter in a fingerprintdo action to admin/app/physical/physical.php.

2) Path traversal (CVE-ID: CVE-2017-11500)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote non-authenticated attacker to manipulate data.

A directory traversal vulnerability exists in MetInfo 5.3.17. A remote attacker can use .. to delete any .zip file via the filenames parameter to /admin/system/database/filedown.php.

3) Cross-site scripting (CVE-ID: CVE-2017-9764)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in MetInfo 5.3.17 when processing Client-IP or X-Forwarded-For HTTP header to /include/stat/stat.php in a para action. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

4) Input validation error (CVE-ID: CVE-2017-11347)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote authenticated user to execute arbitrary code.

Authenticated Code Execution Vulnerability in MetInfo 5.3.17 allows a remote authenticated attacker to generate a PHP script with the content of a malicious image, related to admin/include/common.inc.php and admin/app/physical/physical.php.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://github.com/phantom0301/vulns/blob/master/Metinfo2.md
• http://blackwolfsec.cc/2017/07/20/Metinfo-directory-traversal-bypass/
• https://github.com/phantom0301/vulns/blob/master/Metinfo.md
• https://github.com/imp0wd3r/MetInfo_Vuln/blob/master/README.md