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HackeroneCVE-2020-8140

HistoryMar 20, 2020 - 9:15 p.m.

CVE-2020-8140

2020-03-2021:15:17

CWE-94

hackerone

web.nvd.nist.gov

106

code injection

nextcloud desktop client

macos

dyld_insert_libraries

cve-2020-8140

nvd

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

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

20.2%

JSON

A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment.

Affected configurations

Nvd

Vulners

Node

applemacosMatch-

AND

nextclouddesktopRange<2.6.3

VendorProductVersionCPE
applemacos-cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
nextclouddesktop*cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	macos	-	cpe:2.3:o:apple:macos:-:::::::*
nextcloud	desktop	*	cpe:2.3:a:nextcloud:desktop::::::::

CNA Affected

[
  {
    "product": "Desktop Client",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 2.6.3"
      }
    ]
  }
]

References

hackerone.com/reports/633266

nextcloud.com/security/advisory/?id=NC-SA-2020-016

Social References

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

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

20.2%

JSON

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