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cveTalosCVE-2018-3971
HistoryOct 25, 2018 - 6:29 p.m.

CVE-2018-3971

2018-10-2518:29:00
CWE-123
talos
web.nvd.nist.gov
44
sophos
hitmanpro.alert
arbitrary write vulnerability
memory corruption
cve-2018-3971
nvd
irp request

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

18.0%

An exploitable arbitrary write vulnerability exists in the 0x2222CC IOCTL handler functionality of Sophos HitmanPro.Alert 3.7.6.744. A specially crafted IRP request can cause the driver to write data under controlled by an attacker address, resulting in memory corruption. An attacker can send IRP request to trigger this vulnerability.

Affected configurations

Nvd
Vulners
Node
sophoshitmanpro.alertMatch3.7.6.744
VendorProductVersionCPE
sophoshitmanpro.alert3.7.6.744cpe:2.3:a:sophos:hitmanpro.alert:3.7.6.744:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Sophos",
    "vendor": "Talos",
    "versions": [
      {
        "status": "affected",
        "version": "Sophos HitmanPro.Alert - hmpalert.sys 3.7.6.744 - Windows 7 x86"
      }
    ]
  }
]

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

18.0%