GLSA-201804-18 : tenshi: Privilege escalation

high Nessus Plugin ID 109232

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-201804-18 (tenshi: Privilege escalation)

It was discovered that the tenshi ebuild creates a tenshi.pid file after dropping privileges to a non-root account.
Impact :

A local attacker could escalate privileges to root or kill arbitrary processes.
Workaround :

There is no known workaround at this time.

Solution

All tenshi users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-admin/tenshi-0.17'

See Also

https://security.gentoo.org/glsa/201804-18

Plugin Details

Severity: High

ID: 109232

File Name: gentoo_GLSA-201804-18.nasl

Version: 1.2

Type: local

Published: 4/23/2018

Updated: 6/7/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:tenshi, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 4/22/2018

Reference Information

CVE: CVE-2017-11746

GLSA: 201804-18