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CVE-2023-26428

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 OX App Suite是德国Open-Xchange公司的一个电子邮件及生产力套件客户端软件。 Open-Xchange OX App Suite OXAS-BACKEND存在安全漏洞，该漏洞源于攻击者可以成功请求任意片段 ID，包括同一上下文中其他用户的电子邮件签名。

CVSS 6.5 · Medium EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-26428

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Attackers can successfully request arbitrary snippet IDs, including E-Mail signatures of other users within the same context. Signatures of other users could be read even though they are not explicitly shared. We improved permission handling when requesting snippets that are not explicitly shared with other users. 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:U/C:H/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
Open-Xchange OX App Suite 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open-Xchange OX App Suite是德国Open-Xchange公司的一个电子邮件及生产力套件客户端软件。 Open-Xchange OX App Suite OXAS-BACKEND存在安全漏洞，该漏洞源于攻击者可以成功请求任意片段 ID，包括同一上下文中其他用户的电子邮件签名。
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-rev39 -

II. Public POCs for CVE-2023-26428

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-26428

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Exploits & Public PoCs for CVE-2023-26428 (1)

Mailing List Discussions for CVE-2023-26428 (1)

Other References for CVE-2023-26428 (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-2023-26435 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-639

V. Comments for CVE-2023-26428

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