CVE-2023-38313

An issue was discovered in OpenNDS Captive Portal before 10.1.2. it has a dobinauth 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...

CVE-2023-38315

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a trytoauthenticate NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing client token query string parameter. Triggering this issue results in crashing OpenNDS a Denial-of-Service...

CVE-2023-38316

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. When the custom unescape callback is enabled, attackers can execute arbitrary OS commands by inserting them into the URL portion of HTTP GET requests. Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt...

CVE-2023-38322

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a dobinauth NULL pointer dereference that be triggered with a crafted GET HTTP request with a missing User-Agent HTTP header. Triggering this issue results in crashing OpenNDS a Denial-of-Service condition. The issue...

CVE-2023-38320

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a showpreauthpage 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...

CVE-2023-41101

An issue was discovered in the captive portal in OpenNDS before version 10.1.3. getquery in httpmicrohttpd.c does not validate the length of the query string of GET requests. This leads to a stack-based buffer overflow in versions 9.x and earlier, and to a heap-based buffer overflow in versions...

CVE-2023-41102

An issue was discovered in the captive portal in OpenNDS before version 10.1.3. It has multiple memory leaks due to not freeing up allocated memory. This may lead to a Denial-of-Service condition due to the consumption of all available memory. Affected OpenNDS before version 10.1.3 fixed in OpenW...

CVE-2023-38314

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a NULL pointer dereference in preauthenticated that can be triggered with a crafted GET HTTP request with a missing redirect query string parameter. Triggering this issue results in crashing OpenNDS a Denial-of-Servic...

CVE-2023-38324

An issue was discovered in OpenNDS before 10.1.2. It allows users to skip the splash page sequence and directly authenticate when it is using the default FAS key and OpenNDS is configured as FAS. Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and...

CVE-2023-41102

An issue was discovered in the captive portal in OpenNDS before version 10.1.3. It has multiple memory leaks due to not freeing up allocated memory. This may lead to a Denial-of-Service condition due to the consumption of all available memory. Affected OpenNDS before version 10.1.3 fixed in OpenW...

CVE-2023-38316

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. When the custom unescape callback is enabled, attackers can execute arbitrary OS commands by inserting them into the URL portion of HTTP GET requests. Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt...

CVE-2023-38320

An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a showpreauthpage 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...

PT-2023-8808

Name of the Vulnerable Software and Affected Versions OpenNDS versions prior to 10.1.3 Description An issue was discovered in the captive portal in OpenNDS. The get query function in http microhttpd.c does not validate the length of the query string of GET requests, leading to a buffer overflow...