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CVE-2011-4106

6.8 · MEDIUM

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-li…

Published Oct 26, 2013binarymoonCWE-20EPSS 23.34%

Overview

CVE-2011-4106 is a medium-severity vulnerability affecting binarymoon timthumb. It was published on October 26, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from binarymoon. Update timthumb to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
binarymoontimthumb0Affected

References

Refcode.google.com/p/timthumb/issues/detail?id=212Refmarkmaunder.com/2011/08/01/zero-day-vulnerability-in-many-wordpress-themes/Refmarkmaunder.com/2011/08/02/technical-details-and-scripts-of-the-wordpress-timthumb-php-hack/Refwww.binarymoon.co.uk/2011/08/timthumb-2/Refwww.exploit-db.com/exploits/17602Refwww.exploit-db.com/exploits/17872Refwww.openwall.com/lists/oss-security/2011/11/03/4Refcode.google.com/p/timthumb/issues/detail?id=212Refmarkmaunder.com/2011/08/01/zero-day-vulnerability-in-many-wordpress-themes/Refmarkmaunder.com/2011/08/02/technical-details-and-scripts-of-the-wordpress-timthumb-php-hack/

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4106?

CVE-2011-4106 is a medium-severity vulnerability affecting binarymoon timthumb. It was published on October 26, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2011-4106?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-4106?

Check the references section for vendor advisories and patches from binarymoon. Update timthumb to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4106?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4106 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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