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CVE-2023-48308— Calendar app returns full stacktrace when an error happens while editing appointment

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 Calendar 4.5.3之前版本存在安全漏洞，该漏洞源于攻击者可以访问堆栈跟踪和服务器的内部路径。

CVSS 3.5 · Low EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1115 · Clipboard Data
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I. Basic Information for CVE-2023-48308

Vulnerability Information
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Vulnerability Title
Calendar app returns full stacktrace when an error happens while editing appointment
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud/Cloud is a calendar app for Nextcloud. An attacker can gain access to stacktrace and internal paths of the server when generating an exception while editing a calendar appointment. It is recommended that the Nextcloud Calendar app is upgraded to 4.5.3
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1258
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 Calendar 4.5.3之前版本存在安全漏洞，该漏洞源于攻击者可以访问堆栈跟踪和服务器的内部路径。
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 >= 3.0.0, < 4.5.3 -

II. Public POCs for CVE-2023-48308

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III. Intelligence Information for CVE-2023-48308

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Patches & Fixes for CVE-2023-48308 (1)

Vendor Advisories for CVE-2023-48308 (1)

IV. Related Vulnerabilities

Same product: security-advisories
Same vendor: nextcloud
Same weakness: CWE-1258

V. Comments for CVE-2023-48308

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