Loop with Unreachable Exit Condition ('Infinite Loop') Affecting openwsman-server package, versions <0:2.6.3-7.git4391e5c.amzn2


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
15.24% (97th percentile)

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  • Snyk IDSNYK-AMZN2-OPENWSMANSERVER-1688488
  • published27 Sept 2021
  • disclosed14 Mar 2019

Introduced: 14 Mar 2019

CVE-2019-3833  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 openwsman-server to version 0:2.6.3-7.git4391e5c.amzn2 or higher.
This issue was patched in ALAS2-2020-1540.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openwsman-server package and not the openwsman-server package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Openwsman, versions up to and including 2.6.9, are vulnerable to infinite loop in process_connection() when parsing specially crafted HTTP requests. A remote, unauthenticated attacker can exploit this vulnerability by sending malicious HTTP request to cause denial of service to openwsman server.

CVSS Base Scores

version 3.1