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CVE-2025-0509— Signing Checks Bypass

Quick assessment

Affected
sparkle-project Sparkle
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Oracle Java SE是美国甲骨文（Oracle）公司的一款用于开发和部署桌面、服务器以及嵌入设备和实时环境中的Java应用程序。 Oracle Java SE 8u431版本存在安全漏洞，该漏洞源于允许高权限攻击者访问连接到 Oracle Java SE 执行的硬件的物理通信段，从而造成破坏。

CVSS 7.3 · High EPSS 0.90% · P59

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-0509

Vulnerability Information
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Vulnerability Title
Signing Checks Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
A security issue was found in Sparkle before version 2.6.4. An attacker can replace an existing signed update with another payload, bypassing Sparkle’s (Ed)DSA signing checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对外部实体的文件或目录可访问
Source: CVE Program / CVE List V5
Vulnerability Title
Oracle Java SE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Oracle Java SE是美国甲骨文（Oracle）公司的一款用于开发和部署桌面、服务器以及嵌入设备和实时环境中的Java应用程序。 Oracle Java SE 8u431版本存在安全漏洞，该漏洞源于允许高权限攻击者访问连接到 Oracle Java SE 执行的硬件的物理通信段，从而造成破坏。
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
sparkle-project Sparkle 0 ~ 2.6.4 -

II. Public POCs for CVE-2025-0509

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8928 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2025-0509

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Patches & Fixes for CVE-2025-0509 (1)

Vendor Pages for CVE-2025-0509 (1)

IV. Related Vulnerabilities

Same product: Sparkle
Same vendor: sparkle-project
Same weakness: CWE-552

V. Comments for CVE-2025-0509

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