CVE-2018-16601: amazon amazon_web_services_freertos Integer Underflow (Wrap or Wraparound)
Vulnerability summary
CVE-2018-16601 is a high (CVSS 8.1) Integer Underflow (Wrap or Wraparound) vulnerability in amazon amazon_web_services_freertos. EPSS estimates a 4.16% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 06-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. A crafted IP header triggers a full memory space copy in prvProcessIPPacket, leading to denial of service and possibly remote code execution.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
4.16%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.16% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (blog.zimperium.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Amazon2 products
- amazon_web_services_freertos≤ 1.3.1
- freertos≤ 10.0.1
1 vendor · 2 products
References
3 links- github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.mdX Refsource CONFIRMRelease NotesThird Party Advisory
- blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/X Refsource MISCExploitThird Party Advisory
- blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systemsX Refsource MISCThird Party Advisory