发布于3月6日3月6日 Members Amazon Linux 2023: CVE-2023-27534: Medium priority package update for curl Severity 3 CVSS (AV:N/AC:H/Au:N/C:P/I:N/A:N) Published 03/20/2023 Created 02/14/2025 Added 02/14/2025 Modified 02/14/2025 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-2023-upgrade-curl amazon-linux-2023-upgrade-curl-debuginfo amazon-linux-2023-upgrade-curl-debugsource amazon-linux-2023-upgrade-curl-minimal amazon-linux-2023-upgrade-curl-minimal-debuginfo amazon-linux-2023-upgrade-libcurl amazon-linux-2023-upgrade-libcurl-debuginfo amazon-linux-2023-upgrade-libcurl-devel amazon-linux-2023-upgrade-libcurl-minimal amazon-linux-2023-upgrade-libcurl-minimal-debuginfo References https://attackerkb.com/topics/cve-2023-27534 CVE - 2023-27534 https://alas.aws.amazon.com/AL2023/ALAS-2023-193.html
