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

V3 Legend

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
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

21 Nov 2024, 08:13

Type	Values Removed	Values Added
References	~~() https://github.com/openNDS/openNDS/releases/tag/v10.1.2 - Release Notes, Vendor Advisory~~	() https://github.com/openNDS/openNDS/releases/tag/v10.1.2 - Release Notes, Vendor Advisory
References	~~() https://github.com/openwrt/routing/commit/0b19771fb2dd81e7c428759610aed583171eed80 -~~	() https://github.com/openwrt/routing/commit/0b19771fb2dd81e7c428759610aed583171eed80 -
References	~~() https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.2vJg3d85.dpbs -~~	() https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.2vJg3d85.dpbs -

20 Jun 2024, 18:15

Type	Values Removed	Values Added
References		() 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 -
Summary	(en) 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).	(en) 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.

23 Nov 2023, 03:35

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CWE		CWE-476
First Time		Opennds Opennds captive Portal
References	~~() https://github.com/openNDS/openNDS/releases/tag/v10.1.2 -~~	() https://github.com/openNDS/openNDS/releases/tag/v10.1.2 - Release Notes, Vendor Advisory
CPE		cpe:2.3:a:opennds:captive_portal::::::::

17 Nov 2023, 06:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-11-17 06:15

Updated : 2024-11-21 08:13

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

7.5 /10