Binarymoon TimThumb 1.99 Cache timthumb.php src input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Binarymoon TimThumb 1.99. Affected by this issue is an unknown functionality of the file timthumb.php of the component Cache. The manipulation of the argument src with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

TimThumb (timthumb.php) before 2.0 does not validate the entire source with the domain white list, which allows remote attackers to upload and execute arbitrary code via a URL containing a white-listed domain in the src parameter, then accessing it via a direct request to the file in the cache directory, as exploited in the wild in August 2011.

The weakness was published 10/26/2013 (Website). The advisory is shared for download at markmaunder.com. This vulnerability is handled as CVE-2011-4106 since 10/18/2011. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by Ben Schmidt and been published before and not just after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 50 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:timthumb.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 56735 (TimThumb Cache Directory 'src' Parameter Arbitrary PHP File Upload), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12998 (WordPress Timthumb Plugin Cache Directory Arbitrary File Upload Vulnerability).

Upgrading to version 1.99 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (17872), Zero-Day.cz (354), Tenable (56735) and Vulnerability Center (SBV-44695†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: Ben Schmidt
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56735
Nessus Name: TimThumb Cache Directory 'src' Parameter Arbitrary PHP File Upload
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

D2Sec: Wordpress Verve Meta Boxes 1.2.8 File Upload

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TimThumb 1.99

Timelineinfo

08/02/2011 🔍
09/19/2011 +48 days 🔍
09/19/2011 +0 days 🔍
10/18/2011 +29 days 🔍
11/08/2011 +21 days 🔍
10/26/2013 +718 days 🔍
10/26/2013 +0 days 🔍
05/29/2014 +215 days 🔍
03/24/2015 +299 days 🔍
01/05/2025 +3575 days 🔍

Sourcesinfo

Advisory: markmaunder.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4106 (🔍)
SecurityFocus: 48963
Vulnerability Center: 44695 - TimThumb <2.0 Remote Code Execution Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/24/2015 03:54 PM
Updated: 01/05/2025 08:47 PM
Changes: 03/24/2015 03:54 PM (62), 01/29/2018 04:09 PM (10), 01/08/2022 11:00 PM (4), 07/16/2024 05:03 AM (17), 01/05/2025 08:47 PM (2)
Complete: 🔍
Cache ID: 18:AE8:40

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