CVE-2022-35932— Missing rate limit when trying to join a password protected Nextcloud Talk conversation
Quick assessment
Affected
nextcloud security-advisories
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Nextcloud Talk是德国Nextcloud公司的一款自托管的本地音频/视频和聊天通信服务。 Nextcloud Talk 12.2.7之前版本、13.0.7之前版本、14.0.3之前版本存在安全漏洞。攻击者利用该漏洞泄露敏感信息。
Possible ATT&CK Techniques 1 AI
T1110 · Brute Force
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I. Basic Information for CVE-2022-35932
Vulnerability Information
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Vulnerability Title
Missing rate limit when trying to join a password protected Nextcloud Talk conversation
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Talk is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.7, 13.0.7, and 14.0.3, password protected conversations are susceptible to brute force attacks if the attacker has the link/conversation token. It is recommended that the Nextcloud Talk application is upgraded to 12.2.7, 13.0.7 or 14.0.3. There are currently no known workarounds available apart from not having password protected conversations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
侵犯隐私
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud Talk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Talk是德国Nextcloud公司的一款自托管的本地音频/视频和聊天通信服务。 Nextcloud Talk 12.2.7之前版本、13.0.7之前版本、14.0.3之前版本存在安全漏洞。攻击者利用该漏洞泄露敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nextcloud | security-advisories | >= 12.2.0, < 12.2.7 | - |
|
II. Public POCs for CVE-2022-35932
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-35932 (6)
-
https://github.com/nextcloud/spreed/pull/7504 x_refsource_MISC
-
https://github.com/nextcloud/spreed/pull/7536 x_refsource_MISC
-
https://github.com/nextcloud/spreed/pull/7535 x_refsource_MISC
Vendor Advisories for CVE-2022-35932 (1)
Other References for CVE-2022-35932 (1)
-
https://hackerone.com/reports/1596673 x_refsource_MISC
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V. Comments for CVE-2022-35932
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