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CanonicalCVE-2021-3626

HistoryOct 01, 2021 - 3:15 a.m.

CVE-2021-3626

2021-10-0103:15:06

CWE-73

CWE-284

canonical

web.nvd.nist.gov

cve-2021-3626

multipass

windows

privilege escalation

vulnerability

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

Percentile

12.6%

JSON

The Windows version of Multipass before 1.7.0 allowed any local process to connect to the localhost TCP control socket to perform mounts from the operating system to a guest, allowing for privilege escalation.

Affected configurations

Nvd

Node

canonicalmultipassRange<1.7.0

AND

microsoftwindowsMatch-

VendorProductVersionCPE
canonicalmultipass*cpe:2.3:a:canonical:multipass:*:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
canonical	multipass	*	cpe:2.3:a:canonical:multipass::::::::
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*

CNA Affected

[
  {
    "product": "Multipass",
    "vendor": "Canonical",
    "versions": [
      {
        "lessThan": "1.7.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/canonical/multipass/pull/2150

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

Percentile

12.6%

JSON

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