Scientific Linux Security Update : glibc on SL7.x x86_64 (20180410)

critical Nessus Plugin ID 109447
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

Security Fix(es) :

- glibc: realpath() buffer underflow when getcwd() returns relative path allows privilege escalation (CVE-2018-1000001)

- glibc: Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)

- glibc: Buffer overflow during unescaping of user names with the ~ operator (CVE-2017-15804)

- glibc: denial of service in getnetbyname function (CVE-2014-9402)

- glibc: DNS resolver NULL pointer dereference with crafted record type (CVE-2015-5180)

- glibc: Fragmentation attacks possible when EDNS0 is enabled (CVE-2017-12132)

Additional Changes :

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?262112fc

Plugin Details

Severity: Critical

ID: 109447

File Name: sl_20180410_glibc_on_SL7_x.nasl

Version: 1.5

Type: local

Agent: unix

Published: 5/1/2018

Updated: 2/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

Temporal Vector: E:F/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

Temporal Vector: E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:glibc, p-cpe:/a:fermilab:scientific_linux:glibc-common, p-cpe:/a:fermilab:scientific_linux:glibc-debuginfo, p-cpe:/a:fermilab:scientific_linux:glibc-debuginfo-common, p-cpe:/a:fermilab:scientific_linux:glibc-devel, p-cpe:/a:fermilab:scientific_linux:glibc-headers, p-cpe:/a:fermilab:scientific_linux:glibc-static, p-cpe:/a:fermilab:scientific_linux:glibc-utils, p-cpe:/a:fermilab:scientific_linux:nscd, x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/10/2018

Vulnerability Publication Date: 2/24/2015

Exploitable With

Metasploit (glibc "realpath()" Privilege Escalation)

Reference Information

CVE: CVE-2014-9402, CVE-2015-5180, CVE-2017-12132, CVE-2017-15670, CVE-2017-15804, CVE-2018-1000001