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CVE-2025-34324— GoSign Desktop < 2.4.1 Insecure Update Mechanism RCE

Quick assessment

Affected
Tinexta InfoCert S.p.A. GoSign Desktop
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.

GoSign Desktop是立陶宛GoSign公司的一个电子文件签署软件。 GoSign Desktop 2.4.0及之前版本存在安全漏洞，该漏洞源于更新清单未签名且TLS证书验证可被禁用，可能导致任意代码执行。

AI Predicted 8.5 Difficulty: Moderate EPSS 0.10% · P1
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I. Basic Information for CVE-2025-34324

Vulnerability Information
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Vulnerability Title
GoSign Desktop < 2.4.1 Insecure Update Mechanism RCE
Source: CVE Program / CVE List V5
Vulnerability Description
GoSign Desktop versions 2.4.0 and earlier use an unsigned update manifest for distributing application updates. The manifest contains package URLs and SHA-256 hashes but is not digitally signed, so its authenticity relies solely on the underlying TLS channel. In affected versions, TLS certificate validation can be disabled when a proxy is configured, allowing an attacker who can intercept network traffic to supply a malicious update manifest and corresponding package with a matching hash. This can cause the client to download and install a tampered update, resulting in arbitrary code execution with the privileges of the GoSign Desktop user on Windows and macOS, or with elevated privileges on some Linux deployments. A local attacker who can modify proxy settings may also abuse this behavior to escalate privileges by forcing installation of a crafted update.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
GoSign Desktop 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GoSign Desktop是立陶宛GoSign公司的一个电子文件签署软件。 GoSign Desktop 2.4.0及之前版本存在安全漏洞，该漏洞源于更新清单未签名且TLS证书验证可被禁用，可能导致任意代码执行。
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
Tinexta InfoCert S.p.A. GoSign Desktop 0 ~ 2.4.1 -

II. Public POCs for CVE-2025-34324

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III. Intelligence Information for CVE-2025-34324

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Security Blog Posts for CVE-2025-34324 (2)

IV. Related Vulnerabilities

Same product: GoSign Desktop
Same weakness: CWE-347

V. Comments for CVE-2025-34324

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