Debian dla-4303 : caja-nextcloud - security update

medium Nessus Plugin ID 265376

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4303 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4303-1 [email protected] https://www.debian.org/lts/security/ Abhijith PA September 18, 2025 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : nextcloud-desktop Version : 3.1.1-2+deb11u2 CVE ID : CVE-2022-39331 CVE-2022-39332 CVE-2022-39333 CVE-2022-39334 CVE-2023-28997

Multiple vulnerabilities were discovered in nextcloud-desktop, nextcloud folder synchronization tool.

CVE-2022-39331

An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application in the notifications.

CVE-2022-39332

An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application via user status and information.

CVE-2022-39333

An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application.

CVE-2022-39334

A CLI utility called nextcloudcmd which is sometimes used for automated scripting and headless servers would incorrectly trust invalid TLS certificates, which may enable a Man-in-the-middle attack that exposes sensitive data or credentials to a network attacker.

CVE-2023-28997

A malicious server administrator can recover and modify the contents of end-to-end encrypted files.

For Debian 11 bullseye, these problems have been fixed in version 3.1.1-2+deb11u2.

For Debian 11 bullseye, these problems have been fixed in version 3.1.1-2+deb11u2.

We recommend that you upgrade your nextcloud-desktop packages.

For the detailed security status of nextcloud-desktop please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/nextcloud-desktop

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the caja-nextcloud packages.

Plugin Details

Severity: Medium

ID: 265376

File Name: debian_DLA-4303.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/18/2025

Updated: 9/18/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 6

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:N

CVSS Score Source: CVE-2023-28997

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:caja-nextcloud, p-cpe:/a:debian:debian_linux:nextcloud-desktop-common, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:nextcloud-desktop-l10n, p-cpe:/a:debian:debian_linux:nextcloud-desktop-cmd, p-cpe:/a:debian:debian_linux:dolphin-nextcloud, p-cpe:/a:debian:debian_linux:libnextcloudsync0, p-cpe:/a:debian:debian_linux:libnextcloudsync-dev, p-cpe:/a:debian:debian_linux:nautilus-nextcloud, p-cpe:/a:debian:debian_linux:nextcloud-desktop-doc, p-cpe:/a:debian:debian_linux:nextcloud-desktop, p-cpe:/a:debian:debian_linux:nemo-nextcloud

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/18/2025

Vulnerability Publication Date: 11/25/2022

Reference Information

CVE: CVE-2022-39331, CVE-2022-39332, CVE-2022-39333, CVE-2022-39334, CVE-2023-28997

Detections

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