TimThumb <= 2.8.13 - Remote Code Execution

2014-07-04 00:00

Pichaya Morimoto

Strategic Overview

Status

Unpatched

Affected PluginWordThumb

Affected Version<= 1.07

CVSS9.8Critical

CVECVE-2014-4663

View all WordThumb vulnerabilities

Vulnerability Overview

TimThumb 2.8.13 and WordThumb 1.07, when Webshot (aka Webshots) is enabled, allows remote attackers to execute arbitrary commands via shell metacharacters in the src parameter. Note: this is not a WordPress plugin or theme, but may be used by WordPress plugins and themes. Make sure to check for the presence of the timthumb.php file when determining if your installation is vulnerable.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-94 (Improper Control of Generation of Code ('Code Injection')) The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

External References

https://www.cve.org/CVERecord?id=CVE-2014-4663 https://www.wordfence.com/threat-intel/vulnerabilities/id/73776e0a-4d2a-44f9-97a2-f06055ce2c63

CVSS Vector

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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