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CVE-2018-16860 PUBLISHED

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 2.02% · 83.7th percentile

Risk Scores

EPSS Score
2.02%
83.7th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:14.04:LTSheimdal1.6~git20131207+dfsg-1ubuntu1, 0, 1.6~git20131207+dfsg-1ubuntu1.1
Ubuntu:Pro:16.04:LTSheimdal0, 1.7~git20150920+dfsg-4ubuntu1.16.04.1, 1.7~git20150920+dfsg-4ubuntu1
Ubuntu:18.04:LTSsamba2:4.7.6+dfsg~ubuntu-0ubuntu2.5, 2:4.7.6+dfsg~ubuntu-0ubuntu2.2, 2:4.7.6+dfsg~ubuntu-0ubuntu2
Ubuntu:18.04:LTSheimdal7.5.0+dfsg-1, 7.4.0.dfsg.1-2, 0
Ubuntu:Pro:14.04:LTSsamba2:4.3.11+dfsg-0ubuntu0.14.04.3, 2:4.3.11+dfsg-0ubuntu0.14.04.4, 2:4.3.11+dfsg-0ubuntu0.14.04.6
Ubuntu:16.04:LTSsamba2:4.3.11+dfsg-0ubuntu0.16.04.9, 2:4.3.11+dfsg-0ubuntu0.16.04.10, 2:4.3.11+dfsg-0ubuntu0.16.04.11

Timeline

References

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