What is CVE-2023-28845?

CVE-2023-28845 is a vulnerability in the Nextcloud talk app that allows an attacker to gain information about the members of a conversation.

What is the severity of CVE-2023-28845?

CVE-2023-28845 has a severity rating of low.

How does CVE-2023-28845 affect Nextcloud talk?

CVE-2023-28845 affects Nextcloud talk versions 14.0.0 to 14.0.9 and versions 15.0.0 to 15.0.4.

How can an attacker exploit CVE-2023-28845?

An attacker can exploit CVE-2023-28845 to gain access to the member list of a Talk conversation.

Is there a fix available for CVE-2023-28845?

Yes, a fix for CVE-2023-28845 is available. Updating to a patched version of Nextcloud talk will resolve the vulnerability.

Vulnerability/
CVE-2023-28845

low

3.5

CWE

284

31/3/2023

2/8/2024

CVE-2023-28845: Chat room membership disclosed via autocompletion in Nextcloud talk

First published: Fri Mar 31 2023(Updated: )

Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to gain information about the members of a Talk conversation, even if they themselves are not members. It is recommended that the Nextcloud Talk is upgraded to 14.0.9 or 15.0.4. There are no known workarounds for this vulnerability.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud talk	>=14.0.0<14.0.9
Nextcloud talk	>=15.0.0<15.0.4

Remedy

https://github.com/nextcloud/spreed/pull/8651

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2023-28845?
CVE-2023-28845 is a vulnerability in the Nextcloud talk app that allows an attacker to gain information about the members of a conversation.
What is the severity of CVE-2023-28845?
CVE-2023-28845 has a severity rating of low.
How does CVE-2023-28845 affect Nextcloud talk?
CVE-2023-28845 affects Nextcloud talk versions 14.0.0 to 14.0.9 and versions 15.0.0 to 15.0.4.
How can an attacker exploit CVE-2023-28845?
An attacker can exploit CVE-2023-28845 to gain access to the member list of a Talk conversation.
Is there a fix available for CVE-2023-28845?
Yes, a fix for CVE-2023-28845 is available. Updating to a patched version of Nextcloud talk will resolve the vulnerability.

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/weakness
agent/title
agent/severity
agent/remedy
agent/author
agent/last-modified-date
agent/tags
agent/first-publish-date
agent/event
agent/description
vendor/nextcloud
canonical/nextcloud talk
version/nextcloud talk/14.0.0
version/nextcloud talk/15.0.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.