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Advisories

Lektor through 3.3.14 and 3.4.0b15 Path Traversal via Admin API Drive-Letter Paths

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Severity
medium
Date
Affecting

  • lektor <= 3.3.14

  • lektor >= 3.4.0b1, <= 3.4.0b15

CWE
  • CWE-36 Absolute Path Traversal
CVSS
5.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
MD Mahmidul Hasan (BL4CK_570RM), Abdullah Al Sabit
Description
Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.

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