发布于3月6日3月6日 Members Ubuntu: USN-5964-1 (CVE-2023-27538): curl vulnerabilities Severity 5 CVSS (AV:L/AC:L/Au:S/C:C/I:N/A:N) Published 03/20/2023 Created 03/29/2023 Added 03/22/2023 Modified 01/28/2025 Description An authentication bypass vulnerability exists in libcurl prior to v8.0.0 where it reuses a previously established SSH connection despite the fact that an SSH option was modified, which should have prevented reuse. libcurl maintains a pool of previously used connections to reuse them for subsequent transfers if the configurations match. However, two SSH settings were omitted from the configuration check, allowing them to match easily, potentially leading to the reuse of an inappropriate connection. Solution(s) ubuntu-upgrade-curl ubuntu-upgrade-libcurl3-gnutls ubuntu-upgrade-libcurl3-nss ubuntu-upgrade-libcurl4 References https://attackerkb.com/topics/cve-2023-27538 CVE - 2023-27538 USN-5964-1