Amazon Linux 2 : edk2 (ALAS-2024-2483)

high Nessus Plugin ID 191527

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Synopsis

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

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2024-2483 advisory.

EDK2's Network Package is susceptible to an out-of-bounds readvulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. Thisvulnerability can be exploited by an attacker to gain unauthorizedaccess and potentially lead to a loss of Confidentiality. (CVE-2023-45229)

EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. Thisvulnerability can be exploited by an attacker to gain unauthorizedaccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability. (CVE-2023-45230)

EDK2's Network Package is susceptible to an out-of-bounds readvulnerability when processing Neighbor Discovery Redirect message. Thisvulnerability can be exploited by an attacker to gain unauthorizedaccess and potentially lead to a loss of Confidentiality. (CVE-2023-45231)

EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. Thisvulnerability can be exploited by an attacker to gain unauthorizedaccess and potentially lead to a loss of Availability. (CVE-2023-45232)

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. Thisvulnerability can be exploited by an attacker to gain unauthorizedaccess and potentially lead to a loss of Availability. (CVE-2023-45233)

EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. Thisvulnerability can be exploited by an attacker to gain unauthorizedaccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
(CVE-2023-45234)

EDK2's Network Package is susceptible to a buffer overflow vulnerability when

handling Server ID option

from a DHCPv6 proxy Advertise message. Thisvulnerability can be exploited by an attacker to gain unauthorizedaccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
(CVE-2023-45235)

Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack

The package openssl098e is provided purely for binary compatibility with older Amazon Linux versions. It does not receive security updates. (CVE-2024-0727)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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 edk2' to update your system.

Plugin Details

Severity: High

ID: 191527

File Name: al2_ALAS-2024-2483.nasl

Version: 1.2

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 3/5/2024

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.5

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

CVSS Score Source: CVE-2023-45235

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:A/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:edk2-tools-doc, p-cpe:/a:amazon:linux:edk2-ovmf, p-cpe:/a:amazon:linux:edk2-tools, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:edk2-tools-python, p-cpe:/a:amazon:linux:edk2-debuginfo, p-cpe:/a:amazon:linux:edk2-aarch64

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: 2/29/2024

Vulnerability Publication Date: 11/6/2023

Reference Information

CVE: CVE-2023-45229, CVE-2023-45230, CVE-2023-45231, CVE-2023-45232, CVE-2023-45233, CVE-2023-45234, CVE-2023-45235, CVE-2024-0727

Detections

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