openSUSE Security Update : glibc (openSUSE-2018-30)

critical Nessus Plugin ID 106059
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 openSUSE host is missing a security update.

Description

This update for glibc fixes the following issues :

- A privilege escalation bug in the realpath() function has been fixed. [CVE-2018-1000001, bsc#1074293]

- A memory leak and a buffer overflow in the dynamic ELF loader has been fixed. [CVE-2017-1000408, CVE-2017-1000409, bsc#1071319]

- An issue in the code handling RPATHs was fixed that could have been exploited by an attacker to execute code loaded from arbitrary libraries. [CVE-2017-16997, bsc#1073231]

- A potential crash caused by a use-after-free bug in pthread_create() has been fixed. [bsc#1053188]

- A bug that prevented users to build shared objects which use the optimized libmvec.so API has been fixed.
[bsc#1070905]

- A memory leak in the glob() function has been fixed.
[CVE-2017-15670, CVE-2017-15671, CVE-2017-15804, bsc#1064569, bsc#1064580, bsc#1064583]

- A bug that would lose the syscall error code value in case of crashes has been fixed. [bsc#1063675]

This update was imported from the SUSE:SLE-12-SP2:Update update project.

Solution

Update the affected glibc packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1051042

https://bugzilla.opensuse.org/show_bug.cgi?id=1053188

https://bugzilla.opensuse.org/show_bug.cgi?id=1063675

https://bugzilla.opensuse.org/show_bug.cgi?id=1064569

https://bugzilla.opensuse.org/show_bug.cgi?id=1064580

https://bugzilla.opensuse.org/show_bug.cgi?id=1064583

https://bugzilla.opensuse.org/show_bug.cgi?id=1070905

https://bugzilla.opensuse.org/show_bug.cgi?id=1071319

https://bugzilla.opensuse.org/show_bug.cgi?id=1073231

https://bugzilla.opensuse.org/show_bug.cgi?id=1074293

Plugin Details

Severity: Critical

ID: 106059

File Name: openSUSE-2018-30.nasl

Version: 3.6

Type: local

Agent: unix

Published: 1/16/2018

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.7

Vector: AV:N/AC:M/Au:N/C:C/I:C/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:novell:opensuse:glibc, p-cpe:/a:novell:opensuse:glibc-32bit, p-cpe:/a:novell:opensuse:glibc-debuginfo, p-cpe:/a:novell:opensuse:glibc-debuginfo-32bit, p-cpe:/a:novell:opensuse:glibc-debugsource, p-cpe:/a:novell:opensuse:glibc-devel, p-cpe:/a:novell:opensuse:glibc-devel-32bit, p-cpe:/a:novell:opensuse:glibc-devel-debuginfo, p-cpe:/a:novell:opensuse:glibc-devel-debuginfo-32bit, p-cpe:/a:novell:opensuse:glibc-devel-static, p-cpe:/a:novell:opensuse:glibc-devel-static-32bit, p-cpe:/a:novell:opensuse:glibc-extra, p-cpe:/a:novell:opensuse:glibc-extra-debuginfo, p-cpe:/a:novell:opensuse:glibc-html, p-cpe:/a:novell:opensuse:glibc-i18ndata, p-cpe:/a:novell:opensuse:glibc-info, p-cpe:/a:novell:opensuse:glibc-locale, p-cpe:/a:novell:opensuse:glibc-locale-32bit, p-cpe:/a:novell:opensuse:glibc-locale-debuginfo, p-cpe:/a:novell:opensuse:glibc-locale-debuginfo-32bit, p-cpe:/a:novell:opensuse:glibc-obsolete, p-cpe:/a:novell:opensuse:glibc-obsolete-debuginfo, p-cpe:/a:novell:opensuse:glibc-profile, p-cpe:/a:novell:opensuse:glibc-profile-32bit, p-cpe:/a:novell:opensuse:glibc-utils, p-cpe:/a:novell:opensuse:glibc-utils-32bit, p-cpe:/a:novell:opensuse:glibc-utils-debuginfo, p-cpe:/a:novell:opensuse:glibc-utils-debuginfo-32bit, p-cpe:/a:novell:opensuse:glibc-utils-debugsource, p-cpe:/a:novell:opensuse:nscd, p-cpe:/a:novell:opensuse:nscd-debuginfo, cpe:/o:novell:opensuse:42.2, cpe:/o:novell:opensuse:42.3

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/15/2018

Exploitable With

Metasploit (glibc "realpath()" Privilege Escalation)

Reference Information

CVE: CVE-2017-1000408, CVE-2017-1000409, CVE-2017-15670, CVE-2017-15671, CVE-2017-15804, CVE-2017-16997, CVE-2018-1000001