Contiki code issues and vulnerabilities

Contiki is an open source cross-platform operating system for IoT Internet of Things devices. Contiki-os Contiki has a code issue vulnerability that stems from improper handling of Telnet option negotiation in Contiki 3.0. The server and client may fail to give a WILL/WONT or DO/DONT response to ...

PT-2021-22919

Name of the Vulnerable Software and Affected Versions Contiki version 3.0 Description The issue arises from mishandled Telnet option negotiation between a server and a client. Specifically, the server may fail to provide the necessary WILL/WONT or DO/DONT response for DO and WILL commands due to...

CVE-2021-40523: Improper Check for Unusual or Exceptional Conditions

In Contiki 3.0, Telnet option negotiation is mishandled. During negotiation between a server and a client, the server may fail to give the WILL/WONT or DO/DONT response for DO and WILL commands because of improper handling of exception condition, which leads to property violations and denial of...

CVE-2021-34565

In PEPPERL+FUCHS WirelessHART-Gateway 3.0.7 to 3.0.9 the SSH and telnet services are active with hard-coded credentials...

Hardcoded credentials

In PEPPERL+FUCHS WirelessHART-Gateway 3.0.7 to 3.0.9 the SSH and telnet services are active with hard-coded credentials...

CVE-2021-34565 In WirelessHART-Gateway versions 3.0.7 to 3.0.9 hard-coded credentials have been found

In PEPPERL+FUCHS WirelessHART-Gateway 3.0.7 to 3.0.9 the SSH and telnet services are active with hard-coded credentials...

CVE-2021-34565

The CVE-2021-34565 vulnerability affects Pepperl+Fuchs WirelessHART-Gateway versions 3.0.7–3.0.9, where SSH and Telnet services run with hard-coded credentials. This is reported with high impact: remote access to the gateway could be obtained (CVSS v3.1 base score 9.8). Public advisories (ICS/CIS...

CVE-2021-34565: Use of Hard-coded Credentials

In PEPPERL+FUCHS WirelessHART-Gateway 3.0.7 to 3.0.9 the SSH and telnet services are active with hard-coded credentials...

PT-2021-20550 · Pepperl+Fuchs · Wirelesshart Gateway

Name of the Vulnerable Software and Affected Versions: PEPPERL+FUCHS WirelessHART-Gateway versions 3.0.7 through 3.0.9 Description: The issue concerns hard-coded credentials in the SSH and telnet services of the affected device. Recommendations: For versions 3.0.7 through 3.0.9, consider disablin...

CVE-2021-39615

D-Link DSR-500N version 1.02 contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file.If an attacker succeeds in recovering the cleartext password of the identified hash value, he will be able to log in via SSH or Telnet and thus gain access to the underlying...

Hardcoded credentials

UNSUPPORTED WHEN ASSIGNED D-Link DSR-500N version 1.02 contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file.If an attacker succeeds in recovering the cleartext password of the identified hash value, he will be able to log in via SSH or Telnet and thus gain acce...

CVE-2021-39615

D-Link DSR-500N version 1.02 contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file.If an attacker succeeds in recovering the cleartext password of the identified hash value, he will be able to log in via SSH or Telnet and thus gain access to the underlying...

CVE-2021-39615

The D-Link DSR-500N is affected by CVE-2021-39615 in version 1.02, where hard-coded credentials for undocumented accounts in /etc/passwd allow an attacker to log in via SSH or Telnet and gain access to the embedded Linux OS. The issue is fixed in firmware version 2.12/2. This vulnerability is not...

CVE-2021-39615: Use of Hard-coded Credentials

D-Link DSR-500N version 1.02 contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file.If an attacker succeeds in recovering the cleartext password of the identified hash value, he will be able to log in via SSH or Telnet and thus gain access to the underlying...

USN-5048-2 inetutils vulnerability

USN-5048-1 fixed a vulnerability in Inetutils for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. This update provides the corresponding fixes for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Inetutils telnet server allows remote attackers to execute arbitrary code via short writes ...

USN-5048-2: Inetutils vulnerability

USN-5048-1 fixed a vulnerability in Inetutils for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. This update provides the corresponding fixes for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Inetutils telnet server allows remote attackers to execute arbitrary code via short writes ...

OESA-2021-1321 curl security update

cURL is a computer software project providing a library libcurl and command-line tool curl for transferring data using various protocols. Security Fixes: curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pai...

USN-5048-1: Inetutils vulnerability

It was discovered that Inetutils telnet server allows remote attackers to execute arbitrary code via short writes or urgent data. An attacker could use this vulnerability to cause a DoS or possibly execute arbitrary code...

USN-5048-1 inetutils vulnerability

It was discovered that Inetutils telnet server allows remote attackers to execute arbitrary code via short writes or urgent data. An attacker could use this vulnerability to cause a DoS or possibly execute arbitrary code...

How to proactively defend against Mozi IoT botnet

Mozi is a peer-to-peer P2P botnet that uses a BitTorrent-like network to infect IoT devices such as network gateways and digital video records DVRs. It works by exploiting weak telnet passwords1 and nearly a dozen unpatched IoT vulnerabilities2 and it’s been used to conduct distributed...