ntopng through 6.6 is vulnerable to Predictable Session Identifier which can lead to Session Hijacking. HTTP session identifiers in src/HTTPserver.cpp use weak time-seeded pseudo-randomness during session creation. As a result, fresh authenticated logins can receive deterministic or colliding session cookies under attacker-controlled timing.

CWE-601 URL redirection to untrusted site ('open redirect')

nDPI through 4.12 has a potential stack-based buffer overflow in ndpiaddresscacherestore in lib/ndpicache.c.

A heap-buffer-overflow vulnerability has been identified in ntopng 6.2 in the Flow::dissectMDNS function.

ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.

In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpiparsepacketlineinfo in lib/ndpimain.c.

In nDPI through 3.2, the H.323 dissector is vulnerable to a heap-based buffer over-read in ndpisearchh323 in lib/protocols/h323.c, as demonstrated by a payload packet length that is too short.

In nDPI through 3.2, the OpenVPN dissector is vulnerable to a heap-based buffer over-read in ndpisearchopenvpn in lib/protocols/openvpn.c.

In nDPI through 3.2, there is a stack overflow in extractRDNSequence in lib/protocols/tls.c.

In nDPI through 3.2, ndpiresetpacketlineinfo in lib/ndpimain.c omits certain reinitialization, leading to a use-after-free.

In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpisearchoracle in lib/protocols/oracle.c.

The NTOP Deep Packet Inspection Toolkit is driven in large part by the nDPI library. This library contains a large set of network protocol dissectors intended to parse and analyze packet-captured network traffic.

The NTOP Deep Packet Inspection Toolkit is driven in large part by the nDPI library. This library contains a large set of network protocol dissectors intended to parse and analyze packet-captured network traffic.

In nDPI through 3.2 Stable, the SSH protocol dissector has multiple KEXINIT integer overflows that result in a controlled remote heap overflow in concathashstring in ssh.c. Due to the granular nature of the overflow primitive and the ability to control both the contents and layout of the nDPI library's heap memory through remote input, this vulnerability may be abused to achieve full Remote Code Execution against any network inspection stack that is linked against nDPI and uses it to perform network traffic analysis.

In nDPI through 3.2 Stable, an out-of-bounds read in concathashstring in ssh.c can be exploited by a network-positioned attacker that can send malformed SSH protocol messages on a network segment monitored by nDPI's library.

An issue was discovered in ntopng 3.4 before 3.4.180617. The PRNG involved in the generation of session IDs is not seeded at program startup. This results in deterministic session IDs being allocated for active user sessions. An attacker with foreknowledge of the operating system and standard library in use by the host running the service and the username of the user whose session they're targeting can abuse the deterministic random number generation in order to hijack the user's session, thus escalating their access.

The NetworkInterface::getHost function in NetworkInterface.cpp in ntopng before 3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty field that should have contained a hostname or IP address.

ntopng before 3.0 allows XSS because GET and POST parameters are improperly validated.

ntopng before 3.0 allows HTTP Response Splitting.

Cross-site request forgery (CSRF) vulnerability in ntopng through 2.4 allows remote attackers to hijack the authentication of arbitrary users, as demonstrated by admin/adduser.lua, admin/changeuserprefs.lua, admin/deleteuser.lua, and admin/passwordreset.lua.

ntopng (aka ntop) before 2.2 allows remote authenticated users to change the login context and gain privileges via the user cookie and username parameter to admin/passwordreset.lua.

Cross-site scripting (XSS) vulnerability in the nDPI traffic classification library in ntopng (aka ntop) before 1.2.1 allows remote attackers to inject arbitrary web script or HTML via the HTTP Host header.

Cross-site scripting (XSS) vulnerability in lua/hostdetails.lua in ntopng 1.1 allows remote attackers to inject arbitrary web script or HTML via the host parameter.

Cross-site scripting (XSS) vulnerability in ntop allows remote attackers to inject arbitrary web script or HTML via the title parameter in a list action to plugins/rrdPlugin.

The checkHTTPpassword function in http.c in ntop 3.3.10 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an Authorization HTTP header that lacks a : (colon) character in the base64-decoded string.