CVE-2023-38313: Null Pointer Dereference
First published: Fri Nov 17 2023(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenNDS Captive Portal | <10.1.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-38313.
What is the severity of CVE-2023-38313?
The severity of CVE-2023-38313 is high, with a severity value of 7.5.
What is the affected software?
The affected software is OpenNDS Captive Portal version up to exclusive 10.1.2.
How can the vulnerability be triggered?
The vulnerability can be triggered by a crafted GET HTTP request with a missing client redirect query string parameter.
What is the impact of this vulnerability?
The vulnerability can result in crashing OpenNDS, causing a Denial-of-Service condition.
- agent/event
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/severity
- agent/author
- agent/tags
- agent/description
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/opennds
- canonical/opennds captive portal