ftpd, as used by Gentoo and Debian Linux, sets the gid to the effective uid instead of the effective group id before executing /bin/ls, which allows remote authenticated users to list arbitrary directories with the privileges of gid 0 and possibly enable additional attack vectors.
2007-03-02T21:18:00.000
2025-04-09T00:30:58.490
Deferred
CVSSv2: 8.5 (HIGH)
AV:N/AC:M/Au:S/C:C/I:C/A:C
6.8
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | gentoo | linux | * | No |
Application | ftpd | ftpd | * | Yes |
Operating System | debian | debian_linux | 4.0 | No |
Application | ftpd | ftpd | * | Yes |