2018-01-15 14:50
CVE-2017-7418 proftpd-dfsg
2017-10-23 14:18
2017-07-20 21:30
2017-06-16 19:22
2017-05-10 23:47
2017-04-14 10:21
2017-04-07 00:03


ProFTPD before 1.3.5e and 1.3.6 before 1.3.6rc5 controls whether the home directory of a user could contain a symbolic link through the AllowChrootSymlinks configuration option, but checks only the last path component when enforcing AllowChrootSymlinks. Attackers with local access could bypass the AllowChrootSymlinks control by replacing a path component (other than the last one) with a symbolic link. The threat model includes an attacker who is not granted full filesystem access by a hosting provider, but can reconfigure the home directory of an FTP user.

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Affected package information

Release Package Patched in
artful proftpd-dfsg None
devel proftpd-dfsg None
trusty proftpd-dfsg None
upstream proftpd-dfsg 1.3.5b-4
xenial proftpd-dfsg None


Release Package Reason
precise proftpd-dfsg ignored
precise/esm proftpd-dfsg DNE
vivid/stable-phone-overlay proftpd-dfsg DNE
vivid/ubuntu-core proftpd-dfsg DNE
yakkety proftpd-dfsg ignored
zesty proftpd-dfsg ignored