发布于3月6日3月6日 Members Amazon Linux AMI: CVE-2023-27534: Security patch for curl (ALAS-2023-1729) Severity 9 CVSS (AV:N/AC:L/Au:S/C:C/I:C/A:C) Published 03/21/2023 Created 05/05/2023 Added 04/21/2023 Modified 01/28/2025 Description 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. Solution(s) amazon-linux-upgrade-curl References ALAS-2023-1729 CVE-2023-27534
