CVE-2023-26431
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I. Basic Information for CVE-2023-26431
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
IPv4-mapped IPv6 addresses did not get recognized as "local" by the code and a connection attempt is made. Attackers with access to user accounts could use this to bypass existing deny-list functionality and trigger requests to restricted network infrastructure to gain insight about topology and running services. We now respect possible IPV4-mapped IPv6 addresses when checking if contained in a deny-list. No publicly available exploits are known.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Open-Xchange OX App Suite 代码问题漏洞
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存在安全漏洞，该漏洞源于IPv4 映射的 IPv6 地址未被代码识别为local地址，攻击者利用该漏洞可以绕过现有的拒绝列表功能。
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-2023-26431
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2023-26435 | 5.0 MEDIUM | Open-Xchange 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 weakness: CWE-918
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pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2023-26431
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