Vulnerability Details : CVE-2023-38313
An issue was discovered in OpenNDS Captive Portal before 10.1.2. it has a do_binauth NULL pointer dereference that can be triggered with a crafted GET HTTP request with a missing client redirect query string parameter. Triggering this issue results in crashing openNDS (a Denial-of-Service condition). The issue occurs when the client is about to be authenticated, and can be triggered only when the BinAuth option is set. Affected OpenNDS Captive Portal before version 10.1.2 fixed infixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on28. August 2023 by updating OpenNDS to version 10.1.3.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2023-38313
- cpe:2.3:a:opennds:captive_portal:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-38313
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-38313
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2023-38313
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The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-38313
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https://github.com/openNDS/openNDS/releases/tag/v10.1.2
Release OpenNDS v10.1.2 release · openNDS/openNDS · GitHubRelease Notes;Vendor Advisory
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https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006-v4/#sthash.2vJg3d85.rwx82g1C.dpbs
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https://github.com/openwrt/routing/commit/0b19771fb2dd81e7c428759610aed583171eed80
opennds: update to version 10.1.3 · openwrt/routing@0b19771 · GitHub
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