{"id":"CVE-2018-3970","aliases":["EUVD-2018-15756","GHSA-8633-582r-38wv"],"status":"published","title":"An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality...","description":"An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.","severity":{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00487,"percentile":0.42186,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-908"],"published":"2018-10-25T18:00:00Z","modified":"2026-06-17T01:58:08Z","products":[{"vendor":"sophos","product":"hitmanpro.alert"},{"vendor":"talos","product":"sophos"}],"references":[{"url":"http://www.securityfocus.com/bid/105743","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0635","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3970"},{"url":"https://github.com/advisories/GHSA-8633-582r-38wv"}],"sources":{"cve":[{"id":"CVE-2018-3970","description":"An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.","status":"published","published":"2018-10-25T18:00:00Z","modified":"2024-09-17T00:50:30.503Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:05.262903Z"}],"euvd":[{"id":"EUVD-2018-15756","description":"An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.","status":"published","published":"2018-10-25T18:00:00Z","modified":"2024-09-17T00:50:30Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:55.3353Z"}],"ghsa":[{"id":"GHSA-8633-582r-38wv","title":"An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality...","description":"An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.","status":"published","published":"2022-05-13T01:01:50Z","modified":"2023-02-01T05:02:28Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:49:55.031123Z"}],"nvd":[{"id":"CVE-2018-3970","description":"An exploitable memory disclosure vulnerability exists in the 0x222000 IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.","status":"published","published":"2018-10-25T18:29:00.257Z","modified":"2026-06-17T01:58:08.223Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:04:46.409324Z"}]}}