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gentooGentoo FoundationGLSA-201706-19
HistoryJun 20, 2017 - 12:00 a.m.

GNU C Library: Multiple vulnerabilities

2017-06-2000:00:00
Gentoo Foundation
security.gentoo.org
46

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.023

Percentile

89.8%

Background

The GNU C library is the standard C library used by Gentoo Linux systems.

Description

Multiple vulnerabilities have been discovered in the GNU C Library. Please review the CVE identifiers and Qualys’ security advisory referenced below for details.

Impact

An attacker could possibly execute arbitrary code with the privileges of the process, escalate privileges or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All GNU C Library users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.23-r4"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-libs/glibc< 2.23-r4UNKNOWN

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.023

Percentile

89.8%