GNU InetUtils Telnetd Remote Authentication Bypass Vulnerability

GNU InetUtils telnetd is a telnet service daemon in the GNU InetUtils suite that listens on TCP port 23 and provides clients with plaintext terminal access based on the Telnet protocol. A remote authentication bypass vulnerability exists in GNU InetUtils Telnetd, which can be exploited to bypass...

Vulnerability fixed in GNU Inetutils telnetd

Security researchers have found a a vulnerability in Inetutils telnetd version 2.7. This vulnerability has been present since version 1.9.3 that came out in 2015, according to the researchers. The vulnerability is in the way the telnetd service handles the USER environment variable. By setting th...

CVE-2026-24061

telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable...

The vulnerability of the telnetd server in the Inetutils network programming package allows a hacker to cause a service failure.

The vulnerability of the telnetd server in the Inetutils network programming package is related to errors in pointer manipulation during byte sequence processing. Exploiting this vulnerability allows a remote attacker to cause service interruptions...

DEBIAN-CVE-2022-39028

telnetd in GNU Inetutils through 2.3, MIT krb5-appl through 1.0.3, and derivative works has a NULL pointer dereference via 0xff 0xf7 or 0xff 0xf8. In a typical installation, the telnetd application would crash but the telnet service would remain available through inetd. However, if the telnetd...

Debian DLA-2341-1 : inetutils security update

In inetutils-telnetd, an implementation of a telnet daemon, arbitrary remote code execution might have been possible via short writes or urgent data. For Debian 9 stretch, this problem has been fixed in version 2:1.9.4-2+deb9u1. We recommend that you upgrade your inetutils-telnetd packages. For t...

Debian: Security Advisory (DLA-2341-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...