GLSA-201507-16 : Portage: Man-in-the-middle attack

high Nessus Plugin ID 86085

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-201507-16 (Portage: Man-in-the-middle attack)

Portage does not verify X.509 SSL certificates properly if HTTPS is used.
Impact :

A remote attacker can spoof servers and modify binary package lists via specially crafted certificates.
Workaround :

There is no known workaround at this time.

Solution

All Portage users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=sys-apps/portage-2.1.12.2'

See Also

https://security.gentoo.org/glsa/201507-16

Plugin Details

Severity: High

ID: 86085

File Name: gentoo_GLSA-201507-16.nasl

Version: 2.3

Type: local

Published: 9/23/2015

Updated: 1/11/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/10/2015

Reference Information

CVE: CVE-2013-2100

BID: 59878

GLSA: 201507-16