SB2011080101 - Arbitrary file upload Binarymoon TimThumb



SB2011080101 - Arbitrary file upload Binarymoon TimThumb

Published: August 1, 2011 Updated: March 14, 2017

Security Bulletin ID SB2011080101
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Arbitrary file upload (CVE-ID: CVE-2011-4106)

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.

The vulnerability exists due to improper storing of content in the cache directory when processing input. A remote attacker can send a specially crafted HTTP request containing a white-listed domain in the src parameter, upload a malicious PHP script and execute arbitrary PHP code.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary PHP code on the vulnerable system.

Note: the vulnerability was being actively exploited.


Remediation

Install update from vendor's website.