CVE-2023-38320

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a show_preauthpage NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing User-Agent header. Triggering this issue results in crashing OpenNDS (a Denial-of-Service condition). This problem was fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/openNDS/openNDS/releases/tag/v10.1.2	Release Notes Vendor Advisory
https://github.com/openwrt/routing/commit/0b19771fb2dd81e7c428759610aed583171eed80
https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.2vJg3d85.dpbs

Configurations

Configuration 1 (hide)

cpe:2.3:a:opennds:captive_portal:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-11-17 06:15

Updated : 2024-06-20 18:15

NVD link : CVE-2023-38320

Mitre link : CVE-2023-38320

CVE.ORG link : CVE-2023-38320

JSON object : View

Products Affected

opennds

captive_portal

CWE

CWE-476

NULL Pointer Dereference

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