FreeBSD : perl -- Directory Permissions Race Condition (4a99d61c-f23a-11dd-9f55-0030843d3802)

This script is Copyright (C) 2009-2013 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

Secunia reports :

Paul Szabo has reported a vulnerability in Perl File::Path::rmtree,
which potentially can be exploited by malicious, local users to gain
escalated privileges.

The vulnerability is caused due to a race condition in the way
File::Path::rmtree handles directory permissions when cleaning up
directories. This can be exploited by replacing an existing sub
directory in the directory tree with a symbolic link to an arbitrary
file.

Successful exploitation may allow changing permissions of arbitrary
files, if root uses an application using the vulnerable code to delete
files in a directory having a world-writable sub directory.

See also :

http://www.ubuntulinux.org/usn/usn-94-1
http://www.nessus.org/u?6a605d82

Solution :

Update the affected package.

Risk factor :

Low / CVSS Base Score : 1.2
(CVSS2#AV:L/AC:H/Au:N/C:N/I:P/A:N)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 35582 (freebsd_pkg_4a99d61cf23a11dd9f550030843d3802.nasl)

Bugtraq ID:

CVE ID: CVE-2005-0448

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