Vulnerability Information
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Vulnerability Title
GoSign Desktop < 2.4.1 Insecure Update Mechanism RCE
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.
CVSS Information
N/A
Vulnerability Type
密码学签名的验证不恰当
Vulnerability Title
GoSign Desktop 安全漏洞
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。
CVSS Information
N/A
Vulnerability Type
N/A