telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code

A vulnerability was found where incorrect bounds checks in the telnet server’s telnetd handling of short writes and urgent data, could lead to information disclosure and corruption of heap data. An unauthenticated remote attacker could exploit these bugs by sending specially crafted telnet packet...

RHEL 7 : telnet (RHSA-2020:1334)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:1334 advisory. Telnet is a popular protocol for logging in to remote systems over the Internet. The telnet-server packages include a telnet service that supports...

CVE-2020-10188

A vulnerability was found where incorrect bounds checks in the telnet server’s telnetd handling of short writes and urgent data, could lead to information disclosure and corruption of heap data. An unauthenticated remote attacker could exploit these bugs by sending specially crafted telnet packet...

LANCOM Device Detection (Telnet)

Detection of LANCOM devices. This script performs Telnet based detection of LANCOM devices. Copyright C 2020 Greenbone Networks GmbH SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License ...

CVE-2019-19495

The web interface on the Technicolor TC7230 STEB 01.25 is vulnerable to DNS rebinding, which allows a remote attacker to configure the cable modem via JavaScript in a victim's browser. The attacker can then configure the cable modem to port forward the modem's internal TELNET server, allowing...

Code injection

The web interface on the Technicolor TC7230 STEB 01.25 is vulnerable to DNS rebinding, which allows a remote attacker to configure the cable modem via JavaScript in a victim's browser. The attacker can then configure the cable modem to port forward the modem's internal TELNET server, allowing...

CVE-2019-19495

The CVE-2019-19495 entry concerns the Technicolor TC7230 STEB 01.25 web interface. It describes a DNS rebinding vulnerability that allows a remote attacker, via JavaScript in a victim’s browser, to reconfigure the cable modem and enable port-forwarding of the internal TELNET server, potentially g...

Default credentials

Use of default credentials for the TELNET server in Petwant PF-103 firmware 4.3.2.50 and Petalk AI 3.2.2.30 allows remote attackers to execute arbitrary system commands as the root user...

CVE-2019-16734

Use of default credentials for the TELNET server in Petwant PF-103 firmware 4.3.2.50 and Petalk AI 3.2.2.30 allows remote attackers to execute arbitrary system commands as the root user...

CVE-2019-16734

CVE-2019-16734 affects Petwant PF-103 and Petalk AI with firmware versions 4.3.2.50 / 3.2.2.30, where the TELNET server uses default credentials, enabling remote attackers to execute arbitrary commands as root. Red Hat and other feeds corroborate the default-credential issue, describing it as a t...

Format string

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The main shell handler function uses the value of the environment variable ipcom.shell.greeting as the first argument to printf. Setting this variable using the sysvar command results in a...

CVE-2019-7715

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The main shell handler function uses the value of the environment variable ipcom.shell.greeting as the first argument to printf. Setting this variable using the sysvar command results in a...

CVE-2019-7713

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. There is a heap-based buffer overflow in the function responsible for printing the shell prompt, when a custom modifier is used to display information such as a process ID, IP address, or curren...

Heap overflow

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. There is a heap-based buffer overflow in the function responsible for printing the shell prompt, when a custom modifier is used to display information such as a process ID, IP address, or curren...

Format string

An issue was discovered in handleripcomshellpwd in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. When using the pwd command, the current working directory path is used as the first argument to printf without a proper check. An attacker may thus forge a path containin...

CVE-2019-7712

An issue was discovered in handleripcomshellpwd in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. When using the pwd command, the current working directory path is used as the first argument to printf without a proper check. An attacker may thus forge a path containin...

CVE-2019-7712

An issue was discovered in handleripcomshellpwd in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. When using the pwd command, the current working directory path is used as the first argument to printf without a proper check. An attacker may thus forge a path containin...

CVE-2019-7711

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The undocumented shell command "prompt" sets the user controlled shell's prompt value, which is used as a format string input to printf, resulting in an information leak of memory addresses...

Format string

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The undocumented shell command "prompt" sets the user controlled shell's prompt value, which is used as a format string input to printf, resulting in an information leak of memory addresses...

CVE-2019-7713

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. There is a heap-based buffer overflow in the function responsible for printing the shell prompt, when a custom modifier is used to display information such as a process ID, IP address, or curren...