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CVE-2017-18343 Detail

Current Description

** DISPUTED ** The debug handler in Symfony before v2.7.33, 2.8.x before v2.8.26, 3.x before v3.2.13, and 3.3.x before v3.3.6 has XSS via an array key during exception pretty printing in ExceptionHandler.php, as demonstrated by a /_debugbar/open?op=get URI. NOTE: the vendor's position is that this is not a vulnerability because the debug tools are not intended for production use. NOTE: the Symfony Debug component is used by Laravel Debugbar.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  6.1 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/barryvdh/laravel-debugbar/issues/850 Exploit  Third Party Advisory 
https://github.com/symfony/debug/pull/7/commits/e48bda29143bd1a83001780b4a78e483822d985c Patch  Third Party Advisory 
https://github.com/symfony/symfony/issues/27987 Exploit  Third Party Advisory 
https://github.com/symfony/symfony/pull/23684 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') cwe source acceptance level NIST  

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-18343
NVD Published Date:
07/19/2018
NVD Last Modified:
09/18/2018
Source:
MITRE