Patch

CVE-2024-39930

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Vulnerability Overview

CVE Name

CVE-2024-39930

Severity

9.9

Critical

CVE Description

The built-in SSH server of Gogs through 0.13.0 allows argument injection in internal/ssh/ssh.go, leading to remote code execution. Authenticated attackers can exploit this by opening an SSH connection and sending a malicious --split-string env request if the...

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Latest Patch info

There is no patch available at the moment, but you can use our script.

Patch Name

Date

Script

Script Type

Remediation script

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🔒 Remediating CVE-2024-39930 in Gogs This script mitigates CVE-2024-39930 in Gogs by disabling the built-in SSH server, disabling SSH entirely, and disabling user registration in the configuration file. 🔍 How it works: Path Setup: Sets the path to the Gogs executable and configuration file. (This must be modified so it suits your system configuration) Configuration Backup: Creates a backup of the original configuration file. Disable Built-in SSH Server: Ensures the built-in SSH server is disabled. Disable SSH Entirely: Disables all SSH functionalities. Disable User Registration: Prevents new user registrations to mitigate mass exploitation. ⚠️ Why it matters: CVE-2024-39930 is a critical vulnerability allowing argument injection in the built-in SSH server of Gogs through version 0.13.0, leading to potential remote code execution. By implementing this remediation script, you can secure your Gogs installation, preventing exploitation and safeguarding your system from unauthorized access and potential damage. Implementing this script is a crucial step in securing your Gogs installation against CVE-2024-39930. Disabling the built-in SSH server, SSH functionality, and user registration prevents potential exploitation and ensures your system remains protected from unauthorized access and attacks. Source: https://www.sonarsource.com/blog/securing-developer-tools-unpatched-code-vulnerabilities-in-gogs-1/ Stay safe! 🔐

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#!/bin/bash

# Path to Gogs executable properly modify GOGS_PATH with your system configuration
GOGS_PATH="/path/to/gogs"
GOGS_CONF="$GOGS_PATH/custom/conf/app.ini"

if [ ! -f "$GOGS_CONF" ]; then
    echo "Gogs configuration file not found at $GOGS_CONF"
    exit 1
fi

# Backup the original configuration file
cp "$GOGS_CONF" "$GOGS_CONF.bak"

# Function to update or add a configuration setting
update_config() {
    local section=$1
    local key=$2
    local value=$3
    if grep -q "^\[$section\]" "$GOGS_CONF"; then
        if grep -q "^$key" "$GOGS_CONF"; then
            sed -i "s/^$key.*/$key = $value/" "$GOGS_CONF"
        else
            sed -i "/^\[$section\]/a $key = $value" "$GOGS_CONF"
        fi
    else
        echo -e "\n[$section]\n$key = $value" >> "$GOGS_CONF"
    fi
}

# Disable the built-in SSH server
update_config "server" "START_SSH_SERVER" "false"
echo "The built-in SSH server has been disabled in the Gogs configuration."

# Disable SSH entirely (ensure SSH is disabled) 
# Comment the two lines below if you dont desire to disable ssh entirely
update_config "server" "DISABLE_SSH" "true"
echo "SSH has been disabled."

# Disable user registration (optional)
# Comment the two lines below if you dont desire to disable user registration
update_config "auth" "DISABLE_REGISTRATION" "true"
echo "User registration has been disabled."

echo "Please restart Gogs for the changes to take effect."

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Affected OS & Apps

No items found.

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