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gentooGentoo FoundationGLSA-201507-16
HistoryJul 10, 2015 - 12:00 a.m.

Portage: Man-in-the-middle attack

2015-07-1000:00:00
Gentoo Foundation
security.gentoo.org
17

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

0.001

Percentile

46.5%

Background

Portage is the package management and distribution system for Gentoo.

Description

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.

Resolution

All Portage users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-apps/portage-2.1.12.2"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-apps/portage< 2.1.12.2UNKNOWN

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

0.001

Percentile

46.5%

Related for GLSA-201507-16