{"id":"UBUNTU-CVE-2017-6594","details":"The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets.","modified":"2026-04-22T11:30:02.171726Z","published":"2017-08-28T19:29:00Z","upstream":["CVE-2017-6594"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-6594"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-6594"}],"affected":[{"package":{"name":"heimdal","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/heimdal@1.6~git20131207+dfsg-1ubuntu1.2+esm4?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6~git20120403+dfsg1-3ubuntu0.1","1.6~git20120403+dfsg1-3ubuntu0.2","1.6~git20131207+dfsg-1ubuntu1","1.6~git20131207+dfsg-1ubuntu1.1","1.6~git20131207+dfsg-1ubuntu1.2","1.6~git20131207+dfsg-1ubuntu1.2+esm1","1.6~git20131207+dfsg-1ubuntu1.2+esm2","1.6~git20131207+dfsg-1ubuntu1.2+esm3","1.6~git20131207+dfsg-1ubuntu1.2+esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"heimdal-clients","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"heimdal-clients-x","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"heimdal-docs","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"heimdal-kcm","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"heimdal-kdc","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"heimdal-multidev","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"heimdal-servers","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"heimdal-servers-x","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libasn1-8-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libgssapi3-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libhcrypto4-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libhdb9-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libheimbase1-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libheimntlm0-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libhx509-5-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libkadm5clnt7-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libkadm5srv8-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libkafs0-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libkdc2-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libkrb5-26-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libotp0-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libroken18-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libsl0-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"},{"binary_name":"libwind0-heimdal","binary_version":"1.6~git20131207+dfsg-1ubuntu1.2+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-6594.json"}},{"package":{"name":"heimdal","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/heimdal@1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6~rc2+dfsg-10ubuntu1","1.7~git20150920+dfsg-4ubuntu1","1.7~git20150920+dfsg-4ubuntu1.16.04.1","1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1","1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2","1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3","1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"heimdal-clients","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"heimdal-docs","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"heimdal-kcm","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"heimdal-kdc","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"heimdal-multidev","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"heimdal-servers","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libasn1-8-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libgssapi3-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libhcrypto4-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libhdb9-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libheimbase1-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libheimntlm0-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libhx509-5-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libkadm5clnt7-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libkadm5srv8-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libkafs0-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libkdc2-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libkrb5-26-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libotp0-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libroken18-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libsl0-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"},{"binary_name":"libwind0-heimdal","binary_version":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-6594.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}]}