An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade curlUpgrade libcurlUpgrade libcurl-develUpgrade libcurl-minimalUpgrade curl-minimal | Aug 10, 2023 | Mar 30, 2023 |
| Alpine Linux | — | Upgrade curl | Mar 26, 2024 | Mar 30, 2023 |
| Amazon Linux Ami 2 | — | Upgrade libcurlUpgrade curlUpgrade curl-debuginfoUpgrade libcurl-devel | Jun 8, 2023 | Mar 30, 2023 |
| Amazon_linux | — | Upgrade curl | Apr 21, 2023 | Mar 21, 2023 |
| Amazon_linux_2023 | — | Upgrade libcurl-minimal-debuginfoUpgrade curl-minimalUpgrade libcurl-minimalUpgrade curl-debugsourceUpgrade curlUpgrade libcurlUpgrade libcurl-debuginfoUpgrade libcurl-develUpgrade curl-minimal-debuginfoUpgrade curl-debuginfo | Feb 17, 2025 | Mar 20, 2023 |
| Centos_linux | — | Upgrade libcurl-minimal-debuginfoUpgrade curl-debuginfoUpgrade curl-minimal-debuginfoUpgrade libcurlUpgrade curl-debugsourceUpgrade libcurl-develUpgrade curlUpgrade libcurl-minimalUpgrade curl-minimalUpgrade libcurl-debuginfo | Aug 9, 2023 | Mar 30, 2023 |
| Debian | — | Upgrade curl | Apr 24, 2023 | Mar 30, 2023 |
| Freebsd | — | Upgrade curl | Mar 23, 2023 | Mar 20, 2023 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Oct 12, 2023 | Mar 30, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade curlUpgrade libcurl | May 9, 2023 | Mar 30, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade libcurlUpgrade curl | Jan 10, 2024 | Mar 30, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade curlUpgrade libcurl-develUpgrade libcurl | Jun 9, 2023 | Mar 30, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libcurlUpgrade curl | Jul 10, 2023 | Mar 30, 2023 |
| Ibm Aix | — | Apply the fix or workaround for curl_advisory2 | Jul 27, 2023 | Mar 30, 2023 |
| Oracle_linux | — | Upgrade curl-minimalUpgrade libcurl-minimalUpgrade libcurl-develUpgrade libcurlUpgrade curl | Aug 10, 2023 | Mar 20, 2023 |
| Redhat_linux | — | Upgrade curl-minimalUpgrade libcurlUpgrade curlUpgrade libcurl-develUpgrade libcurl-debuginfoUpgrade curl-debugsourceNo solution existsUpgrade libcurl-minimal-debuginfoUpgrade curl-minimal-debuginfoUpgrade curl-debuginfoUpgrade libcurl-minimal | Aug 9, 2023 | Mar 30, 2023 |
| Rocky_linux | — | Upgrade curlUpgrade libcurl-minimal-debuginfoUpgrade curl-debugsourceUpgrade libcurl-minimalUpgrade libcurl-debuginfoUpgrade libcurlUpgrade libcurl-develUpgrade curl-debuginfo | Mar 5, 2024 | Mar 30, 2023 |
| Splunk | — | Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Universal Forwarder to version 8.2.12 | Sep 30, 2025 | Mar 30, 2023 |
| Suse | — | Upgrade libcurl4Upgrade libcurl-devel-32bitUpgrade curlUpgrade libcurl4-32bitUpgrade libcurl-devel | Mar 22, 2023 | Mar 21, 2023 |
| Ubuntu | — | Upgrade libcurl3-gnutlsUpgrade libcurl4Upgrade libcurl3-gnutls (Ubuntu Pro)Upgrade curl (Ubuntu Pro)Upgrade libcurl3 (Ubuntu Pro)Upgrade libcurl3-nss (Ubuntu Pro)Upgrade curlUpgrade libcurl3-nss | Mar 22, 2023 | Mar 20, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 30, 2023 |
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