cve-2024-2698
Vulnerability from cvelistv5
Published
2024-06-12 08:03
Modified
2024-11-25 09:44
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability was found in FreeIPA in how the initial implementation of MS-SFU by MIT Kerberos was missing a condition for granting the "forwardable" flag on S4U2Self tickets. Fixing this mistake required adding a special case for the check_allowed_to_delegate() function: If the target service argument is NULL, then it means the KDC is probing for general constrained delegation rules and not checking a specific S4U2Proxy request. In FreeIPA 4.11.0, the behavior of ipadb_match_acl() was modified to match the changes from upstream MIT Kerberos 1.20. However, a mistake resulting in this mechanism applies in cases where the target service argument is set AND where it is unset. This results in S4U2Proxy requests being accepted regardless of whether or not there is a matching service delegation rule.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:3754Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:3755Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:3757Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:3759Vendor Advisory
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2024-2698Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2270353Issue Tracking, Mitigation, Vendor Advisory
secalert@redhat.comhttps://www.freeipa.org/release-notes/4-12-1.htmlRelease Notes
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3754Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3755Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3757Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3759Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2024-2698Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2270353Issue Tracking, Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WT3JL7JQDIAFKKEFARWYES7GZNWGQNCI/
af854a3a-2127-422b-91ae-364da2661108https://www.freeipa.org/release-notes/4-12-1.htmlRelease Notes
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020240528133707.823393f5   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 8080020240530051744.b0a6ceea   < *
    cpe:/a:redhat:rhel_eus:8.8::appstream
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:4.11.0-15.el9_4   < *
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:4.10.1-12.el9_2.2   < *
    cpe:/a:redhat:rhel_eus:9.2::crb
    cpe:/a:redhat:rhel_eus:9.2::appstream
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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