OPNsense up to 23.6 Captive Portal Template path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in OPNsense up to 23.6. This affects an unknown function of the component Captive Portal Template Handler. The manipulation results in path traversal. This vulnerability is identified as CVE-2023-38997. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in OPNsense up to 23.6. It has been classified as critical. Affected is an unknown functionality of the component Captive Portal Template Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A directory traversal vulnerability in the Captive Portal templates of OPNsense before 23.7 allows attackers to execute arbitrary system commands as root via a crafted ZIP archive.

The weakness was released 08/10/2023. The advisory is available at logicaltrust.net. This vulnerability is traded as CVE-2023-38997 since 07/25/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 23.7 eliminates this vulnerability. Applying the patch 448762d440b51574f1906c0ec2f5ea6dc4f16eb2 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.9
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OPNsense 23.7
Patch: 448762d440b51574f1906c0ec2f5ea6dc4f16eb2

Timelineinfo

07/25/2023 🔍
08/10/2023 +16 days 🔍
08/10/2023 +0 days 🔍
09/02/2023 +23 days 🔍

Sourcesinfo

Advisory: 448762d440b51574f1906c0ec2f5ea6dc4f16eb2
Status: Confirmed

CVE: CVE-2023-38997 (🔍)
GCVE (CVE): GCVE-0-2023-38997
GCVE (VulDB): GCVE-100-236706

Entryinfo

Created: 08/10/2023 08:50
Updated: 09/02/2023 21:03
Changes: 08/10/2023 08:50 (41), 09/02/2023 20:56 (1), 09/02/2023 21:03 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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