ProFTPD prior to 1.3.5e and 1.3.6 prior to 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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
proftpd proftpd 1.3.6 |
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proftpd proftpd |
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