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Amazon Linux 2 : ncurses (ALAS-2019-1302)

critical Nessus Plugin ID 129560

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the append_acs function of tinfo/parse_entry.c. It could lead to a remote denial of service attack if the terminfo library code is used to process untrusted terminfo data. (CVE-2017-11112)

In ncurses 6.0, there is a NULL pointer Dereference in the
_nc_parse_entry function of tinfo/parse_entry.c. It could lead to a remote denial of service attack if the terminfo library code is used to process untrusted terminfo data. (CVE-2017-11113)

In ncurses 6.0, there is a stack-based buffer overflow in the fmt_entry function. A crafted input will lead to a remote arbitrary code execution attack. (CVE-2017-10684)

In ncurses 6.0, there is a format string vulnerability in the fmt_entry function. A crafted input will lead to a remote arbitrary code execution attack. (CVE-2017-10685)

Solution

Run 'yum update ncurses' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1302.html

Plugin Details

Severity: Critical

ID: 129560

File Name: al2_ALAS-2019-1302.nasl

Version: 1.3

Type: local

Agent: unix

Published: 10/4/2019

Updated: 4/19/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2017-10685

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:amazon:linux:ncurses, p-cpe:/a:amazon:linux:ncurses-base, p-cpe:/a:amazon:linux:ncurses-c%2b%2b-libs, p-cpe:/a:amazon:linux:ncurses-compat-libs, p-cpe:/a:amazon:linux:ncurses-debuginfo, p-cpe:/a:amazon:linux:ncurses-devel, p-cpe:/a:amazon:linux:ncurses-libs, p-cpe:/a:amazon:linux:ncurses-static, p-cpe:/a:amazon:linux:ncurses-term, cpe:/o:amazon:linux:2

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/2/2019

Vulnerability Publication Date: 6/29/2017

Reference Information

CVE: CVE-2017-10684, CVE-2017-10685, CVE-2017-11112, CVE-2017-11113

ALAS: 2019-1302