Memory Consumption Vulnerability in nginx from FTL Technologies
CVE-2018-16843

5.3MEDIUM

Key Information:

Vendor

[unknown]

Status
Nginx
Vendor
CVE Published:
7 November 2018

Badges

👾 Exploit Exists🟣 EPSS 55%

What is CVE-2018-16843?

The vulnerability in nginx affects versions prior to 1.15.6 and 1.14.1, specifically for deployments that utilize the ngx_http_v2_module. When the 'http2' option in the 'listen' directive is enabled, a flaw in the implementation can lead to excessive memory usage, potentially impacting server performance and availability.

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Deploy the Patch

Affected Version(s)

nginx 1.15.6

nginx 1.14.1

References

https://www.debian.org/security/2018/dsa-4335
vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:3680
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:3681
vendor-advisoryx_refsource_REDHAT

EPSS Score

55% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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