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CVE-2023-26435

Quick assessment

Affected
OX Software GmbH OX App Suite
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.

Open-Xchange AppSuite是德国Open-Xchange公司的一套Web云桌面环境。该环境允许用户更直观的管理电子邮件、任务和文件等。 Open-Xchange App Suite存在代码问题漏洞，该漏洞源于可以使用本地LibreOffice实例调用文件系统和网络引用，攻击者可以发现受限的网络拓扑和服务，以及系统用户权限读取的本地文件。

CVSS 5.0 · Medium EPSS 0.78% · P54
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I. Basic Information for CVE-2023-26435

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was possible to call filesystem and network references using the local LibreOffice instance using manipulated ODT documents. Attackers could discover restricted network topology and services as well as including local files with read permissions of the open-xchange system user. This was limited to specific file-types, like images. We have improved existing content filters and validators to avoid including any local resources. No publicly available exploits are known.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Open-Xchange App Suite 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open-Xchange AppSuite是德国Open-Xchange公司的一套Web云桌面环境。该环境允许用户更直观的管理电子邮件、任务和文件等。 Open-Xchange App Suite存在代码问题漏洞，该漏洞源于可以使用本地LibreOffice实例调用文件系统和网络引用，攻击者可以发现受限的网络拓扑和服务，以及系统用户权限读取的本地文件。
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
OX Software GmbH OX App Suite 0 ~ 7.10.6-rev7 -

II. Public POCs for CVE-2023-26435

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III. Intelligence Information for CVE-2023-26435

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Exploits & Public PoCs for CVE-2023-26435 (1)

Mailing List Discussions for CVE-2023-26435 (1)

Other References for CVE-2023-26435 (3)

Same Patch Batch · OX Software GmbH · 2023-06-20 · 9 CVEs total

CVE-2023-26436 7.1 HIGH Open-Xchange AppSuite 代码问题漏洞
CVE-2023-26428 6.5 MEDIUM Open-Xchange OX App Suite 安全漏洞
CVE-2023-26431 5.0 MEDIUM Open-Xchange OX App Suite 代码问题漏洞
CVE-2023-26434 4.3 MEDIUM Open-Xchange App Suite 安全漏洞
CVE-2023-26433 4.3 MEDIUM Open-Xchange OX App Suite 安全漏洞
CVE-2023-26432 4.3 MEDIUM Open-Xchange OX App Suite 安全漏洞
CVE-2023-26429 3.5 LOW Open-Xchange OX App Suite 命令注入漏洞
CVE-2023-26427 3.2 LOW Open-Xchange OX App Suite 安全漏洞

IV. Related Vulnerabilities

Same product: OX App Suite
Same vendor: OX Software GmbH
Same weakness: CWE-918

V. Comments for CVE-2023-26435

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