CVE-2024-2698 (GCVE-0-2024-2698)
Vulnerability from cvelistv5
Published
2024-06-12 08:03
Modified
2025-10-09 11:54
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-863 - Incorrect Authorization
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.com https://access.redhat.com/errata/RHSA-2024:3754 Vendor Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:3755 Vendor Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:3757 Vendor Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:3759 Vendor Advisory
secalert@redhat.com https://access.redhat.com/security/cve/CVE-2024-2698 Vendor Advisory
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2270353 Issue Tracking, Mitigation, Vendor Advisory
secalert@redhat.com https://www.freeipa.org/release-notes/4-12-1.html Release Notes
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:3754 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:3755 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:3757 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:3759 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/security/cve/CVE-2024-2698 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.redhat.com/show_bug.cgi?id=2270353 Issue Tracking, Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WT3JL7JQDIAFKKEFARWYES7GZNWGQNCI/
af854a3a-2127-422b-91ae-364da2661108 https://www.freeipa.org/release-notes/4-12-1.html Release Notes
Impacted products
Vendor Product Version
Version: 4.11.0   ≤
Version: 4.12.0   ≤
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020240528133707.823393f5   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 8080020240530051744.b0a6ceea   < *
    cpe:/a:redhat:rhel_eus:8.8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:4.11.0-15.el9_4   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
 Create a notification for this product.
   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
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
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}


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