NextcloudGHSA-82XX-98XV-4JXVnextcloudcmd incorrectly trusts bad TLS certificates
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:H/Au:S/C:N/I:P/A:N
0.0004 Low
EPSS
Percentile
14.1%
Description
Impact
Man-in-the-middle attack is possible in case a user can be made running a nextcloudcmd CLI command locally.
Patches
It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1
Workarounds
Don’t execute nextcloudcmd commands
References
For more information
If you have any questions or comments about this advisory:
- Create a post in nextcloud/security-advisories
- Customers: Open a support ticket at support.nextcloud.com
Related
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:H/Au:S/C:N/I:P/A:N
0.0004 Low
EPSS
Percentile
14.1%