CVE-2018-3763
Quick assessment
Affected
Nextcloud Nextcloud Calendar application
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 Calendar是其中的一个日历应用程序。 Nextcloud Calendar 1.5.8之前版本和1.6.1之前版本中存在跨站脚本漏洞，该漏洞源于程序没有过滤搜索结果。远程攻击者可利用该漏洞构建恶意的搜索结果。
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I. Basic Information for CVE-2018-3763
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Nextcloud Calendar before 1.5.8 and 1.6.1, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like admins or group admins.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud Calendar 跨站脚本漏洞
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 Calendar是其中的一个日历应用程序。 Nextcloud Calendar 1.5.8之前版本和1.6.1之前版本中存在跨站脚本漏洞，该漏洞源于程序没有过滤搜索结果。远程攻击者可利用该漏洞构建恶意的搜索结果。
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 | Nextcloud Calendar application | <1.6.1, <1.5.8 | - |
|
II. Public POCs for CVE-2018-3763
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2018-3763 (1)
-
https://nextcloud.com/security/advisory/?id=nc-sa-2018-004 x_refsource_CONFIRM
Same Patch Batch · Nextcloud · 2018-07-05 · 4 CVEs total
| CVE-2018-3761 | Nextcloud Server 安全漏洞 | |
| CVE-2018-3762 | Nextcloud Server 安全漏洞 | |
| CVE-2018-3764 | Nextcloud Contacts 跨站脚本漏洞 |
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V. Comments for CVE-2018-3763
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