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CVE-2023-26436

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，该漏洞源于能够注入序列化的Java对象，攻击者利用该漏洞可以执行任意代码。

CVSS 7.1 · High EPSS 1.25% · P68

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-26436

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Attackers with access to the "documentconverterws" API were able to inject serialized Java objects, that were not properly checked during deserialization. Access to this API endpoint is restricted to local networks by default. Arbitrary code could be injected that is being executed when processing the request. A check has been introduced to restrict processing of legal and expected classes for this API. We now log a warning in case there are attempts to inject illegal classes. No publicly available exploits are known.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Open-Xchange AppSuite 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，该漏洞源于能够注入序列化的Java对象，攻击者利用该漏洞可以执行任意代码。
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-2023-26436

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III. Intelligence Information for CVE-2023-26436

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Exploits & Public PoCs for CVE-2023-26436 (1)

Mailing List Discussions for CVE-2023-26436 (1)

Other References for CVE-2023-26436 (3)

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

CVE-2023-26428 6.5 MEDIUM Open-Xchange OX App Suite 安全漏洞
CVE-2023-26435 5.0 MEDIUM Open-Xchange App Suite 代码问题漏洞
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-94

V. Comments for CVE-2023-26436

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