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Chat room membership disclosed via autocompletion when not a member yourself

Low
nickvergessen published GHSA-3m6r-479j-4chf Mar 31, 2023

Package

Talk (Nextcloud)

Affected versions

>= 14.0.0, >= 15.0.0

Patched versions

14.0.9, 15.0.4

Description

Impact

An attacker could use this vulnerability to gain information about the members of a Talk conversation, even if they themselves are not members.

Patches

It is recommended that the Nextcloud Talk is upgraded to 14.0.9 or 15.0.4

Workarounds

  • No workaround available

References

For more information

If you have any questions or comments about this advisory:

Severity

Low
3.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

CVE ID

CVE-2023-28845

Weaknesses

Credits