PT-2018-13616 · Amazon Web Services+1 · Freertos+1

Ori Karliner + 1 · Published 2018-12-06 · Updated 2019-02-01 · CVE-2018-16528

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Amazon Web Services (AWS) FreeRTOS versions prior to 1.3.2

Description The issue allows remote attackers to execute arbitrary code due to mbedTLS context object corruption in the prvSetupConnection and GGD SecureConnect Connect functions within AWS TLS connectivity modules.

Recommendations For versions prior to 1.3.2, update to version 1.3.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of the AWS TLS connectivity modules until a patch is available.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-16528

Affected Products

Freertos

Mbed Tls

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2018-16528 · Security Note
• https://osv.dev/vulnerability/CVE-2018-16528 · Vendor Advisory
• https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md · Note
• https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16528 · Note
• https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details · Note