GLSA-201706-19 : GNU C Library: Multiple vulnerabilities (Stack Clash)

High Nessus Plugin ID 100945

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-201706-19 (GNU C Library: Multiple vulnerabilities)

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.

Solution

All GNU C Library users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=sys-libs/glibc-2.23-r4'

See Also

https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt

https://security.gentoo.org/glsa/201706-19

Plugin Details

Severity: High

ID: 100945

File Name: gentoo_GLSA-201706-19.nasl

Version: 3.6

Type: local

Published: 2017/06/21

Updated: 2019/05/31

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

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

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/06/20

Vulnerability Publication Date: 2016/10/07

Reference Information

CVE: CVE-2015-5180, CVE-2016-6323, CVE-2017-1000366

GLSA: 201706-19