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CVE-2023-38321

Date: December 25, 2023

OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL pointer dereference, daemon crash, and Captive Portal outage) via a GET request to /opennds_auth/ that lacks a custom query string parameter and client-token.

Severity Score

Related Resources (6)

https://github.com/openNDS/openNDS/blob/master/ChangeLog
https://source.sierrawireless.com/-/media/support_downloads/security-bulletins/pdf/swi-psa-2023-006-r3.ashx
https://nvd.nist.gov/vuln/detail/CVE-2023-38321
https://openwrt.org/docs/guide-user/services/captive-portal/opennds
https://security-tracker.debian.org/tracker/CVE-2023-38321
https://www.mend.io/vulnerability-database/CVE-2023-38321

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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