Improper Authentication Affecting curl package, versions <7.88.1-6ubuntu2
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-UBUNTU2304-CURL-5462701
- published 20 Mar 2023
- disclosed 30 Mar 2023
Introduced: 20 Mar 2023
CVE-2023-27536 Open this link in a new tabHow to fix?
Upgrade Ubuntu:23.04 curl to version 7.88.1-6ubuntu2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:23.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2023-27536
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/
- https://hackerone.com/reports/1895135
- https://lists.debian.org/debian-lts-announce/2023/04/msg00025.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/
- https://security.gentoo.org/glsa/202310-12
- https://security.netapp.com/advisory/ntap-20230420-0010/