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cvelistZdiCVELIST:CVE-2020-17395
HistoryAug 25, 2020 - 8:20 p.m.

CVE-2020-17395

2020-08-2520:20:52
CWE-191
zdi
www.cve.org

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS

0

Percentile

15.9%

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the prl_naptd process. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor. Was ZDI-CAN-11134.

CNA Affected

[
  {
    "product": "Desktop",
    "vendor": "Parallels",
    "versions": [
      {
        "status": "affected",
        "version": "15.1.4"
      }
    ]
  }
]

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS

0

Percentile

15.9%

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