Scientific Linux Security Update : kernel on SL7.x x86_64 (20170619) (Stack Clash)

high Nessus Plugin ID 100906

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Synopsis

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

Description

Security Fix(es) :

- A flaw was found in the way memory was being allocated on the stack for user space binaries. If heap (or different memory region) and stack memory regions were adjacent to each other, an attacker could use this flaw to jump over the stack guard gap, cause controlled memory corruption on process stack or the adjacent memory region, and thus increase their privileges on the system. This is a kernel-side mitigation which increases the stack guard gap size from one page to 1 MiB to make successful exploitation of this issue more difficult.
(CVE-2017-1000364, Important)

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 100906

File Name: sl_20170619_kernel_on_SL7_x.nasl

Version: 3.10

Type: local

Agent: unix

Family: Scientific Linux Local Security Checks

Published: 6/20/2017

Updated: 1/14/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 5.1

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

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.9

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

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:kernel, p-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists, p-cpe:/a:fermilab:scientific_linux:kernel-debug, p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64, p-cpe:/a:fermilab:scientific_linux:kernel-devel, p-cpe:/a:fermilab:scientific_linux:kernel-doc, p-cpe:/a:fermilab:scientific_linux:kernel-headers, p-cpe:/a:fermilab:scientific_linux:kernel-tools, p-cpe:/a:fermilab:scientific_linux:kernel-tools-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs-devel, p-cpe:/a:fermilab:scientific_linux:perf, p-cpe:/a:fermilab:scientific_linux:perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:python-perf, p-cpe:/a:fermilab:scientific_linux:python-perf-debuginfo, 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: 6/19/2017

Vulnerability Publication Date: 6/19/2017

Exploitable With

Metasploit (rsh_stack_clash_priv_esc.rb)

Reference Information

CVE: CVE-2017-1000364

Detections

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