CVE-2025-12972

描述

Fluent Bit out_file plugin does not properly sanitize tag values when deriving output file names. When the File option is omitted, the plugin uses untrusted tag input to construct file paths. This allows attackers with network access to craft tags containing path traversal sequences that cause Fluent Bit to write files outside the intended output directory.

如何修補 CVE-2025-12972

要修補 CVE-2025-12972,請將受影響套件升級到下列已修補版本。

• —升級至 4.1.1 或更新版本

CVE-2025-12972 正在被利用嗎?

低 — EPSS 為 0.7%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• >= 4.1.0, < 4.1.1

CVSS 分數

參考連結(3)

• WEBfluentbit.io/blog/2025/10/28/security-vulnerabilities-addressed-in-fluent-bit-v4.1-and-backported-to-v4.0/
• WEBnvd.nist.gov/vuln/detail/CVE-2025-12972
• WEBwww.oligo.security/blog/critical-vulnerabilities-in-fluent-bit-expose-cloud-environments-to-remote-takeover