stunner

STUNNER Stunner 是一个用于测试和利用 STUN、TURN 以及基于 TCP 的 TURN 服务器的工具。 TURN 是一种主要用于视频会议和音频聊天（WebRTC）的协议。 如果你发现一个配置错误的服务器，你可以使用此工具打开一个本地 SOCKS 代理，该代理通过 TURN 协议将所有流量中继到服务器背后的内部网络中。 我在测试 Cisco Expressway 期间开发了这个工具，并发现了一些漏洞：https://firefart.at/post/multiplevulnerabilitiesciscoexpressway/...

CVE-2026-68554 Coturn: STUN attributes after MESSAGE-INTEGRITY are processed, letting on-path attackers modify authenticated TURN requests

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

CVE-2026-68554 Coturn: STUN attributes after MESSAGE-INTEGRITY are processed, letting on-path attackers modify authenticated TURN requests

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

CVE-2026-68553

Coturn (open-source TURN/STUN server) prior to 4.13.0 is affected by a format string vulnerability in its Redis integration. An authenticated TURN user can inject printf-style format specifiers into the STUN USERNAME or REALM attribute. These values pass is_secure_string() validation and are embe...

PT-2026-78699

Name of the Vulnerable Software and Affected Versions Coturn versions prior to 4.15.0 Description An on-path attacker can modify authenticated STUN requests sent over plain UDP or TCP by appending attributes after the MESSAGE-INTEGRITY attribute and adjusting the STUN header length. Because the...

CVE-2026-73213

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, addrlesseq in src/client/nsturnioaddr.c uses a component-wise comparison for native IPv6 min-max intervals in ioaaddrinrange, allowing an authenticated TURN client to relay to an IPv6 peer that is numerically...

UBUNTU-CVE-2026-53450

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::ffff:127.0.0.1 in a TURN...

EUVD-2013-6750

Malware in sbrugna...

New NAT/Firewall Bypass Attack Lets Hackers Access Any TCP/UDP Service

A new research has demonstrated a technique that allows an attacker to bypass firewall protection and remotely access any TCP/UDP service on a victim machine. Called NAT Slipstreaming, the method involves sending the target a link to a malicious site or a legitimate site loaded with malicious ads...

Chrome OS exploit: one byte overflow and symlinks

The following article is an guest blog post from an external researcher i.e. the author is not a Project Zero or Google researcher. This post is about a Chrome OS exploit I reported to Chrome VRP in September. The Project Zero folks were nice to let me do a guest post about it, so here goes. The...

Belkin Wemo Home Automation Devices远程安全限制绕过漏洞

BUGTRAQ ID: 65632 CVECAN ID: CVE-2013-6949 Belkin Wemo Home Automation devices 是家电远程控制系列产品。 Belkin Wemo Home Automation设备使用 STUN & TURN 协议，该漏洞让控制了一个Wemo设备的攻击者可用 STUN & TURN 协议中继连接到其他的Wemo设备。 0 Belkin Wemo Home Automation 目前厂商还没有提供补丁或者升级程序，我们建议使用此软件的用户随时关注厂商的主页以获取最新版本：...