pfSense up to 2.4.4-p3 picture.widget.php file_get_contents/file_put_contents widgetkey input validation

entryeditHistoryDiffjsonxmlCTI
CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

A vulnerability classified as critical was found in pfSense up to 2.4.4-p3 (Firewall Software). Affected by this vulnerability is the function file_get_contents/file_put_contents of the file widgets/widgets/picture.widget.php. The manipulation of the argument widgetkey as part of a Parameter leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-20. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in pfSense through 2.4.4-p3. widgets/widgets/picture.widget.php uses the widgetkey parameter directly without sanitization (e.g., a basename call) for a pathname to file_get_contents or file_put_contents.

The weakness was released 09/26/2019. This vulnerability is known as CVE-2019-16915 since 09/26/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/10/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at 142380 and 142378.

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CPE 2.3infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

09/26/2019 🔍
09/26/2019 +0 days 🔍
09/27/2019 +1 days 🔍
09/10/2020 +349 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-16915 (🔍)
See also: 🔍

Entryinfoedit

Created: 09/27/2019 06:05 PM
Updated: 09/10/2020 09:04 PM
Changes: (18) software_type vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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