{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2018-25272/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":9.8,"id":"CVE-2018-25272"}],"_cs_exploited":false,"_cs_products":["ELBA5 5.8.0"],"_cs_severities":["critical"],"_cs_tags":["rce","database","credential-access","cve-2018-25272","elba5"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eELBA5 version 5.8.0 is vulnerable to a remote code execution (RCE) vulnerability, identified as CVE-2018-25272. This flaw allows unauthenticated attackers to gain unauthorized access to the underlying database and execute arbitrary commands with SYSTEM level privileges on the host. The vulnerability stems from the application\u0026rsquo;s use of default credentials for database connection, weak password storage, and the availability of powerful stored procedures like \u003ccode\u003exp_cmdshell\u003c/code\u003e. Successful exploitation could lead to complete system compromise, sensitive data exposure, and the potential for lateral movement within the network. This vulnerability was published in 2018 but can still be relevant to organizations running older, unpatched versions of ELBA5.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable ELBA5 5.8.0 instance.\u003c/li\u003e\n\u003cli\u003eAttacker connects to the database using default connector credentials.\u003c/li\u003e\n\u003cli\u003eAttacker decrypts the DBA password stored within the database configuration.\u003c/li\u003e\n\u003cli\u003eAttacker enables the \u003ccode\u003exp_cmdshell\u003c/code\u003e stored procedure, if disabled.\u003c/li\u003e\n\u003cli\u003eAttacker executes arbitrary commands on the host system via \u003ccode\u003exp_cmdshell\u003c/code\u003e with SYSTEM privileges. For example, they might use \u003ccode\u003exp_cmdshell 'whoami'\u003c/code\u003e to verify their access level.\u003c/li\u003e\n\u003cli\u003eAlternatively, the attacker adds a backdoor user to the BEDIENER table to maintain persistent access.\u003c/li\u003e\n\u003cli\u003eAttacker uses the newly created backdoor account to log into the application with elevated privileges.\u003c/li\u003e\n\u003cli\u003eAttacker exfiltrates sensitive data or performs other malicious actions.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2018-25272 grants the attacker SYSTEM level access to the server hosting ELBA5. This allows for the complete compromise of the system, including data exfiltration, installation of malware, and potential lateral movement within the network. The attacker can access and potentially modify sensitive data stored within the ELBA5 database, impacting the confidentiality and integrity of the application\u0026rsquo;s data. The vulnerability allows for the addition of backdoor accounts, ensuring persistence even after the initial vulnerability is patched.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply any available patches or upgrades to ELBA5 to address CVE-2018-25272.\u003c/li\u003e\n\u003cli\u003eDisable or restrict access to the \u003ccode\u003exp_cmdshell\u003c/code\u003e stored procedure in the database to prevent command execution as described in the attack chain.\u003c/li\u003e\n\u003cli\u003eMonitor process creation events for suspicious usage of \u003ccode\u003exp_cmdshell\u003c/code\u003e using the provided Sigma rule.\u003c/li\u003e\n\u003cli\u003eImplement strong password policies and avoid the use of default credentials, mitigating the initial access vector described in the attack chain.\u003c/li\u003e\n\u003cli\u003eAudit the BEDIENER table for unauthorized user accounts using the provided Sigma rule.\u003c/li\u003e\n\u003cli\u003eEnable database auditing to detect and respond to suspicious database activity, including attempts to decrypt passwords or modify user accounts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-02T12:00:00Z","date_published":"2024-01-02T12:00:00Z","id":"/briefs/2024-01-elba5-rce/","summary":"ELBA5 version 5.8.0 contains a remote code execution vulnerability (CVE-2018-25272) that allows attackers to obtain database credentials and execute arbitrary commands with SYSTEM level permissions, potentially leading to complete system compromise.","title":"ELBA5 5.8.0 Remote Code Execution Vulnerability","url":"https://feed.craftedsignal.io/briefs/2024-01-elba5-rce/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2018-25272","version":"https://jsonfeed.org/version/1.1"}