Resource Exhaustion Affecting nginx-debuginfo package, versions <1:1.8.1-1.26.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
8.66% (95th percentile)

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  • Snyk IDSNYK-AMZN201803-NGINXDEBUGINFO-1693598
  • published27 Sept 2021
  • disclosed15 Feb 2016

Introduced: 15 Feb 2016

CVE-2016-0747  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 nginx-debuginfo to version 1:1.8.1-1.26.amzn1 or higher.
This issue was patched in ALAS-2016-655.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nginx-debuginfo package and not the nginx-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.

CVSS Base Scores

version 3.1