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freebsdFreeBSD770D7E91-72AF-11E7-998A-08606E47F965
HistoryMar 06, 2017 - 12:00 a.m.

proftpd -- user chroot escape vulnerability

2017-03-0600:00:00
vuxml.freebsd.org
26

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

0.0004 Low

EPSS

Percentile

5.2%

NVD reports:

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. Attackers with local access could
bypass the AllowChrootSymlinks control by replacing a path
component (other than the last one) with a symbolic link.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchproftpd< 1.3.5eUNKNOWN

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

0.0004 Low

EPSS

Percentile

5.2%