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Amazon Linux 2 : ncurses (ALAS-2024-2412)
medium Nessus Plugin ID 187824
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of ncurses installed on the remote host is prior to 6.0-8.20170212. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2024-2412 advisory.- There is a heap-based buffer over-read in the _nc_find_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012. (CVE-2019-17594)
- There is a heap-based buffer over-read in the fmt_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012. (CVE-2019-17595)
- Buffer Overflow vulnerability in one_one_mapping function in progs/dump_entry.c:1373 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19185)
- Buffer Overflow vulnerability in _nc_find_entry function in tinfo/comp_hash.c:66 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19186)
- Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19187)
- Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1116 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19188)
- Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19189)
- Buffer Overflow vulnerability in _nc_find_entry in tinfo/comp_hash.c:70 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. (CVE-2020-19190)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update ncurses' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2024-2412.html
https://alas.aws.amazon.com/cve/html/CVE-2019-17594.html
https://alas.aws.amazon.com/cve/html/CVE-2019-17595.html
https://alas.aws.amazon.com/cve/html/CVE-2020-19185.html
https://alas.aws.amazon.com/cve/html/CVE-2020-19186.html
https://alas.aws.amazon.com/cve/html/CVE-2020-19187.html
https://alas.aws.amazon.com/cve/html/CVE-2020-19188.html
https://alas.aws.amazon.com/cve/html/CVE-2020-19189.html
Plugin Details
Severity: Medium
ID: 187824
File Name: al2_ALAS-2024-2412.nasl
Version: 1.1
Type: local
Agent: unix
Published: 1/9/2024
Updated: 1/10/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5.8
Temporal Score: 4.5
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSS Score Source: CVE-2019-17595
CVSS v3
Risk Factor: Medium
Base Score: 5.4
Temporal Score: 4.9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:ncurses-base, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:ncurses-term, p-cpe:/a:amazon:linux:ncurses-static, p-cpe:/a:amazon:linux:ncurses-debuginfo, p-cpe:/a:amazon:linux:ncurses-devel, p-cpe:/a:amazon:linux:ncurses-c%2b%2b-libs, p-cpe:/a:amazon:linux:ncurses, p-cpe:/a:amazon:linux:ncurses-libs, p-cpe:/a:amazon:linux:ncurses-compat-libs
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: 1/3/2024
Vulnerability Publication Date: 10/14/2019
Reference Information
CVE: CVE-2019-17594, CVE-2019-17595, CVE-2020-19185, CVE-2020-19186, CVE-2020-19187, CVE-2020-19188, CVE-2020-19189, CVE-2020-19190