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LIN1021-5455 : Security Advisory - curl - CVE-2023-27534

Created: Mar 20, 2023    Updated: Apr 11, 2023
Resolved Date: Mar 30, 2023
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace


A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /~2/foo while accessing a server with a specific user.


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