Vulnerability in Heimdal Project
CVE-2018-16860
A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.
EPSS: 0.025 (83.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Heimdal_project Heimdal
- Samba — versions 4.10.x up to, excluding 4.10.3, 4.9.x up to, excluding 4.9.8, 4.8.x up to, excluding 4.8.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_MISC, Mitigation, Vendor Advisory)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (mailing-list, x_refsource_FULLDISC)
- secalert@redhat.com (mailing-list, x_refsource_FULLDISC)
Frequently asked questions
- What is CVE-2018-16860?
- CVE-2018-16860 is a high-severity vulnerability in Heimdal Project, classified under CWE-358. CVSS score: 7.5/10. Published 2019-07-31.
- How severe is CVE-2018-16860?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-16860 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.