pfSense 2.5.2 File Name browser.php cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

A vulnerability was found in pfSense 2.5.2 (Firewall Software). It has been rated as problematic. This issue affects an unknown functionality of the file browser.php of the component File Name Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

pfSense v2.5.2 was discovered to contain a cross-site scripting (XSS) vulnerability in the browser.php component. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into a file name.

The weakness was presented 10/03/2022 as 73ca6743954ac9f35ca293e3f2af63eac20cf32e. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-42247 since 10/03/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:browser.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 73ca6743954ac9f35ca293e3f2af63eac20cf32e is able to eliminate this problem. The bugfix is ready for download at github.com.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 73ca6743954ac9f35ca293e3f2af63eac20cf32e

Timelineinfo

10/03/2022 🔍
10/03/2022 +0 days 🔍
10/03/2022 +0 days 🔍
10/29/2022 +26 days 🔍

Sourcesinfo

Advisory: 73ca6743954ac9f35ca293e3f2af63eac20cf32e
Status: Confirmed

CVE: CVE-2022-42247 (🔍)

Entryinfo

Created: 10/03/2022 20:43
Updated: 10/29/2022 14:57
Changes: 10/03/2022 20:43 (43), 10/29/2022 14:57 (11)
Complete: 🔍

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