CVE-2023-28845 — Improper Access Control in Talk

CWE-284 — Improper Access Control2 documents2 sources
Severity
3.5LOWNVD
EPSS
0.1%
top 68.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nextcloud TalkNextcloud Security-advisories
Timeline
PublishedMar 31

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:NExploitability: 2.1 | Impact: 1.4

Affected Packages2 packages

▶NVDnextcloud/talk14.0.0 — 14.0.9+1
▶CVEListV5nextcloud/security-advisories>= 14.0.0, < 14.0.9, >= 15.0.0, < 15.0.4+1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

1
CVEList
Chat room membership disclosed via autocompletion in Nextcloud talk↗2023-03-31
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CVE-2023-28845 — Improper Access Control in Talk | cvebase