CVE-2026-13165

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "SzafirHost", "vendor": "Krajowa Izba Rozliczeniowa", "versions": [{"lessThan": "1.2.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cvd@cert.pl"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SzafirHost verifies the downloaded native library archive with one JarFile parser (reading the Central Directory) but extracts native libraries with JarInputStream parser (reading sequentially from local file headers).\u00a0An attacker who controls the served archive can insert a malicious DLL/SO/DYLIB as a local-file-header entry between the last legitimate entry and the Central Directory, without adding it to the Central Directory. The signature verifier never sees the injected entry and accepts the archive as validly signed; the extractor reads it sequentially and writes the attacker library to the native temp directory with no hash check), while the archive-size check still passes. This\u00a0can lead to remote code execution.\n\nThis issue was fixed in version 1.2.2."}, {"lang": "es", "value": "SzafirHost verifica el archivo de biblioteca nativa descargado con un analizador JarFile (leyendo el Directorio Central) pero extrae bibliotecas nativas con un analizador JarInputStream (leyendo secuencialmente desde las cabeceras de archivos locales). Un atacante que controla el archivo servido puede insertar una DLL/SO/DYLIB maliciosa como una entrada de cabecera de archivo local entre la \u00faltima entrada leg\u00edtima y el Directorio Central, sin a\u00f1adirla al Directorio Central. El verificador de firmas nunca ve la entrada inyectada y acepta el archivo como v\u00e1lidamente firmado; el extractor la lee secuencialmente y escribe la biblioteca del atacante en el directorio temporal nativo sin verificaci\u00f3n de hash), mientras que la verificaci\u00f3n del tama\u00f1o del archivo sigue pasando. Esto puede llevar a ejecuci\u00f3n remota de c\u00f3digo.\n\nEste problema se solucion\u00f3 en la versi\u00f3n 1.2.2."}], "id": "CVE-2026-13165", "lastModified": "2026-10-25T21:10:00.770", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "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": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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": "cvd@cert.pl", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13165", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-29T13:58:08.681080Z", "version": "2.0.3"}}]}, "published": "2026-06-29T14:16:41.647", "references": [{"source": "cvd@cert.pl", "url": "https://cert.pl/posts/2026/06/CVE-2026-13165"}, {"source": "cvd@cert.pl", "url": "https://www.elektronicznypodpis.pl/"}], "sourceIdentifier": "cvd@cert.pl", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "cvd@cert.pl", "type": "Secondary"}]}

{}

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