GLSA-201606-13 : sudo: Unauthorized privilege escalation in sudoedit

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201606-13
(sudo: Unauthorized privilege escalation in sudoedit)

sudoedit in sudo is vulnerable to the escalation of privileges by local
users via a symlink attack. This can be exploited by a file whose full
path is defined using multiple wildcards in “/etc/sudoers”, as
demonstrated by “/home/*/*/file.txt”.

Impact :

Local users are able to gain unauthorized privileges on the system.

Workaround :

There is no known work around at this time.

See also :

https://security.gentoo.org/glsa/201606-13

Solution :

All sudo users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-admin/sudo-1.8.15-r1'

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 91844 ()

Bugtraq ID:

CVE ID: CVE-2015-5602

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