WHS4_CVE-2021-4034

CVE-2021-4034 PwnKit - 本地权限提升 PoC 🔗 原始项目 ：berdav/CVE-2021-4034 本项目基于原始项目，出于教育目的 进行分析和修改。 遵守 MIT 许可证 | 白帽学校（White Hat School）教育课题 📋 概述 CVE-2021-4034 是 Linux policykit-1 （PolicyKit）中的一个本地权限提升漏洞。普通用户可以在不提供参数的情况下执行 pkexec，利用进程内存结构的缺陷，使得本应被过滤的环境变量字符串被 glib 再次引用，从而加载恶意的 .so 文件，最终获取 root 权限 。 ⚠️ 仅供教育用途...

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The version of libssh installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-5351 advisory. - A flaw was found in the key export functionality of libssh. The issue occurs in the internal function...

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The version of libssh installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-5351 advisory. - A flaw was found in the key export functionality of libssh. The issue occurs in the internal function...

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A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additiona...

CVE-2025-5351

CVE-2025-5351 concerns libssh. The root cause is a double-free in the key export path: during error handling, a memory structure is freed but not cleared, which may lead to heap corruption and application instability, especially in low-memory scenarios. The issue is tied to libssh’s key serializa...

CVE-2025-5351

A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additiona...

CVE-2025-5351

A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additiona...