CVE-2025-34102

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An unauthenticated attacker can gain shell access as the web server user by first exploiting a SQL injection flaw in login.php to bypass authentication, followed by command injection in logshares_ajax.php to execute arbitrary operating system commands.\n\n\nThe login bypass is achieved by submitting crafted SQL via the user POST parameter. Once authenticated, the attacker can abuse the lsid POST parameter in the logshares_ajax.php endpoint to inject and execute a command using $(...) syntax, resulting in code execution under the web context.\n\n\nThis exploitation path does not exist in the ASP.NET version of CryptoLog released since 2009."}, {"lang": "es", "value": "Existe una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo en CryptoLog (versi\u00f3n PHP, descontinuada desde 2009) debido a la explotaci\u00f3n encadenada de vulnerabilidades de inyecci\u00f3n SQL e inyecci\u00f3n de comandos. Un atacante no autenticado puede obtener acceso al shell como usuario del servidor web explotando primero una falla de inyecci\u00f3n SQL en login.php para eludir la autenticaci\u00f3n, y luego inyectando comandos en logshares_ajax.php para ejecutar comandos arbitrarios del sistema operativo. La omisi\u00f3n del inicio de sesi\u00f3n se logra enviando SQL manipulado mediante el par\u00e1metro POST del usuario. Una vez autenticado, el atacante puede abusar del par\u00e1metro POST lsid en el endpoint logshares_ajax.php para inyectar y ejecutar un comando con la sintaxis $(...), lo que resulta en la ejecuci\u00f3n de c\u00f3digo en el contexto web. Esta forma de explotaci\u00f3n no existe en la versi\u00f3n ASP.NET de CryptoLog publicada desde 2009."}], "id": "CVE-2025-34102", "lastModified": "2026-06-17T09:13:28.150", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-34102", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-07-11T13:18:19.081747Z", "version": "2.0.3"}}]}, "published": "2025-07-10T20:15:26.030", "references": [{"source": "disclosure@vulncheck.com", "url": "https://pentest.blog/advisory-cryptolog-unauthenticated-remote-code-execution/"}, {"source": "disclosure@vulncheck.com", "url": "https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/crypttech_cryptolog_login_exec.rb"}, {"source": "disclosure@vulncheck.com", "url": "https://vulncheck/advisories/cryptolog-unauthenticated-rce"}, {"source": "disclosure@vulncheck.com", "url": "https://www.exploit-db.com/exploits/41980"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-89"}, {"lang": "en", "value": "CWE-306"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

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{"created": "2026-04-28T01:15:15.672919+00:00", "updated": "2026-08-30T15:15:04.467347+00:00", "vendors": []}