CVE-2023-25160— IDOR Vulnerability in Nextcloud Mail
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 Mail存在安全漏洞，该漏洞源于攻击者可以通过ID获取邮件的主题和首字符来访问邮箱。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-25160
Vulnerability Information
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Vulnerability Title
IDOR Vulnerability in Nextcloud Mail
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Mail is an email app for the Nextcloud home server platform. Prior to versions 2.2.1, 1.14.5, 1.12.9, and 1.11.8, an attacker can access the mail box by ID getting the subjects and the first characters of the emails. Users should upgrade to Mail 2.2.1 for Nextcloud 25, Mail 1.14.5 for Nextcloud 22-24, Mail 1.12.9 for Nextcloud 21, or Mail 1.11.8 for Nextcloud 20 to receive a patch. No known workarounds are available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
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 Mail存在安全漏洞，该漏洞源于攻击者可以通过ID获取邮件的主题和首字符来访问邮箱。
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 | < 1.11.8 | - |
|
II. Public POCs for CVE-2023-25160
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2023-25160 (1)
-
https://github.com/nextcloud/mail/pull/7740 x_refsource_MISC
Vendor Advisories for CVE-2023-25160 (1)
Other References for CVE-2023-25160 (1)
-
https://hackerone.com/reports/1784681 x_refsource_MISC
Same Patch Batch · nextcloud · 2023-02-13 · 4 CVEs total
| CVE-2023-25162 | 5.3 MEDIUM | Nextcloud Server vulnerable to SSRF via filter bypass due to lax checking on IPs |
| CVE-2023-25161 | 3.7 LOW | Nextcloud Server's missing rate limiting on password reset functionality allows sending lo |
| CVE-2023-25159 | 2.3 LOW | Nextcloud Server previews are accessible without a watermark |
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V. Comments for CVE-2023-25160
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