Security update for fail2ban (important)

openSUSE Security Update: Security update for fail2ban Announcement ID: openSUSE-SU-2021:1274-1 Rating: important References: 1145181 1146856 1180738 1188610 Cross-References: CVE-2021-32749 CVSS scores: CVE-2021-32749 NVD : 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Products:...

The vulnerability of the fail2ban software, related to errors in the checking function, allows a violator to execute arbitrary code.

The vulnerability of the fail2ban software is related to errors in the mail-whois function’s validation process. Exploiting this vulnerability allows a remote attacker to execute arbitrary code by sending a specially crafted request...

Remote Code Execution

fail2ban is vulnerable to remote code execution. The mailing action mail-whois command mail from mailutils package used in mail actions like mail-whois can execute command allows an attacker to execute arbitrary commands due to unescaped sequences \n in foreign input...

DEBIAN-CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

ALPINE-CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

Remote code execution

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

UBUNTU-CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

fail2ban -- possible RCE vulnerability in mailing action using mailutils

Jakub Żoczek reports: Command mail from mailutils package used in mail actions like mail-whois can execute command if unescaped sequences \n are available in "foreign" input for instance in whois output...

CVE-2021-32749: Improper Neutralization of Special Elements used in an OS Command

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

CVE-2021-32749 Possible RCE vulnerability in mailing action using mailutils (mail-whois)

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

CVE-2021-32749

CVE-2021-32749 affects fail2ban before fixed versions. A vulnerability in the mailing action mail-whois allows remote code execution if unescaped sequences (\n~) in foreign input (e.g., whois outputs) are processed by the mail command. Exploitation requires attacker-supplied input via MITM or com...

CVE-2021-32749

fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command mail from mailutils package...

fail2ban 代码注入漏洞

fail2ban is a software application. Disable causes multiple hosts with authentication errors. fail2ban suffers from a code injection vulnerability that could lead to remote code execution. To exploit the vulnerability, an attacker would need to insert malicious characters into the response sent b...

JShielder v2.4 - Hardening Script For Linux Servers/ Secure LAMP-LEMP Deployer/ CIS Benchmark G

JSHielder is an Open Source Bash Script developed to help SysAdmin and developers secure there Linux Servers in which they will be deploying any web application or services. This tool automates the process of installing all the necessary packages to host a web application and Hardening a Linux...

JShielder - Automates The Process Of Installing All The Necessary Packages To Host A Web Application And Hardening A Linux Server

JSHielder is an Open Source tool developed to help SysAdmin and developers secure there Linux Servers in which they will be deploying any web application or services. This tool automates the process of installing all the necessary packages to host a web application and Hardening a Linux server wi...