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ubuntucveUbuntu.comUB:CVE-2023-29000
HistoryApr 04, 2023 - 12:00 a.m.

CVE-2023-29000

2023-04-0400:00:00
ubuntu.com
ubuntu.com
41
nextcloud
desktop client
certificate handling
security vulnerability
encryption

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

34.5%

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud
Server. Starting with version 3.0.0 and prior to version 3.7.0, by trusting
that the server will return a certificate that belongs to the keypair of
the user, a malicious server could get the desktop client to encrypt files
with a key known to the attacker. This issue is fixed in Nextcloud Desktop
3.7.0. No known workarounds are available.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchnextcloud-desktop< anyUNKNOWN
ubuntu22.04noarchnextcloud-desktop< anyUNKNOWN

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

34.5%