SB2017060101 - Multiple vulnerabilities in PivotX
Published: June 1, 2017 Updated: October 2, 2017
Security Bulletin ID
SB2017060101
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Unrestricted file upload (CVE-ID: CVE-2017-8402)
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Green
The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.
The vulnerability exists due to insufficient validation of the uploaded files in "/pivotx/fileupload.php" script. A remote authenticated attacker can upload a specially crafted .htaccess files on the system and use it to execute arbitrary PHP code.
Successful exploitation may allow an attacker to compromise vulnerable website.
2) Resource management error (CVE-ID: CVE-2017-7570)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Green
The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.
The vulnerability exists due to insufficient error handling when processing file uploads for files with identical names. A remote authenticated attacker can upload a file with same extension (e.g. ".jpg") and then invoke a duplicate function to change the file extension to .php.
Successful exploitation may allow an attacker to compromise vulnerable website.
3) Unrestricted file upload (CVE-ID: CVE-2017-14958)
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/U:Clear
The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.
The vulnerability exists due to insufficient validation of the uploaded files in "lib.php" script. A remote authenticated administrator can upload and execute arbitrary .php script.
Successful exploitation may allow an attacker to compromise vulnerable website.
Remediation
Install update from vendor's website.