CVE-2023-45148— Rate limiter not working reliable when Memcached is installed in Nextcloud
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I. Basic Information for CVE-2023-45148
Vulnerability Information
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Vulnerability Title
Rate limiter not working reliable when Memcached is installed in Nextcloud
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud is an open source home cloud server. When Memcached is used as `memcache.distributed` the rate limiting in Nextcloud Server could be reset unexpectedly resetting the rate count earlier than intended. Users are advised to upgrade to versions 25.0.11, 26.0.6 or 27.1.0. Users unable to upgrade should change their config setting `memcache.distributed` to `\OC\Memcache\Redis` and install Redis instead of Memcached.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
过多认证尝试的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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 | >= 25.0.0, < 25.0.11 | - |
II. Public POCs for CVE-2023-45148
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://hackerone.com/reports/2110945x_refsource_MISC
- https://github.com/nextcloud/server/pull/40293x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2023-45148
Same Patch Batch · nextcloud · 2023-10-16 · 5 CVEs total
| CVE-2023-45151 | 6.5 MEDIUM | OAuth2 client_secret stored in plain text in the Nextcloud database |
| CVE-2023-45150 | 4.3 MEDIUM | Inviting excessive long email addresses to a calendar event makes the Nextcloud server unr |
| CVE-2023-45149 | 4.3 MEDIUM | Password of talk conversations can be bruteforced in Nextcloud |
| CVE-2023-45660 | 4.3 MEDIUM | Require strict cookies for image proxy requests in Nextcloud Mail |
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