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ProFTPD 'AllowChrootSymlinks' Local Security Bypass Vulnerability
Information
Severity
Severity
Low
Family
Family
FTP
CVSSv2 Base
CVSSv2 Base
2.1
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:N/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
This host is running ProFTPD server and is prone to local security bypass vulnerability.
Insight
Insight
The ProFTPD 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.
Affected Software
Affected Software
ProFTPD versions prior to 1.3.5e and 1.3.6 prior to 1.3.6rc5 are vulnerable.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade ProFTPD 1.3.5e, 1.3.6rc5 or later.