一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年9月4日

CVE-2026-41858 [HIGH] – Weak Randomness / Insecure Cryptographic Primitive (CWE-338) in Get-RandomPassword in BOSH

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Weak Randomness / Insecure Cryptographic Primitive (CWE-338) in Get-RandomPassword in BOSH-Ecosystem / windows-utilities-release allows a network attacker to estimate VM boot time and reconstruct a small candidate list to recover the Administrator password. The randomize_password job exists solely to lock the local Administrator account behind an unguessable password as a hardening control. Because the password is derived from a predictable, clock-seeded PRNG, a network attacker who can estimate VM boot time can reconstruct a small candidate list and recover the Administrator password, defeating the hardening control.

Affected versions:
– windows-utilities-release: all versions prior to v0.23.0 (inclusive); fixed in v0.23.0 or later