CVE-2026-48980

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{"affected": [{"affectedData": [{"product": "pam_usb", "vendor": "mcdope", "versions": [{"status": "affected", "version": "< 0.9.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "pam_usb provides hardware authentication for Linux using removable media. In versions prior to 0.9.2, getenv() environment variables XRDP_SESSION, DISPLAY and TMUX allow environment variable injection into local-check logic. These environment variables influence whether a current session is local or remote, and a PAM module that runs in the context of setuid binaries (sudo, su), getenv() returns attacker-controlled values whenever the process environment has been manipulated by a local user. This issue has been fixed in version 0.9.2."}, {"lang": "es", "value": "pam_usb proporciona autenticaci\u00f3n de hardware para Linux utilizando medios extra\u00edbles. En versiones anteriores a la 0.9.2, las variables de entorno getenv() XRDP_SESSION, DISPLAY y TMUX permiten la inyecci\u00f3n de variables de entorno en la l\u00f3gica de verificaci\u00f3n local. Estas variables de entorno influyen en si una sesi\u00f3n actual es local o remota, y un m\u00f3dulo PAM que se ejecuta en el contexto de binarios setuid (sudo, su), getenv() devuelve valores controlados por el atacante siempre que el entorno del proceso haya sido manipulado por un usuario local. Este problema ha sido solucionado en la versi\u00f3n 0.9.2."}], "id": "CVE-2026-48980", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48980", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-18T20:25:21.713697Z", "version": "2.0.3"}}]}, "published": "2026-06-18T20:16:14.273", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/releases/tag/0.9.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-qr83-mf3h-fvqr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-454"}, {"lang": "en", "value": "CWE-807"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.9.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pam_usb", "source": "cna", "vendor": "mcdope"}, "product": "pam_usb", "vendor": "mcdope"}], "created": "2026-06-18T21:15:03.710639+00:00", "updated": "2026-06-18T21:30:16.139514+00:00", "vendors": ["mcdope", "mcdope$PRODUCT$pam_usb"]}