Arbitrary Code Execution Affecting org.apache.flex.blazeds:flex-messaging-core package, versions [,4.7.3)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
40.99% (98th percentile)

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  • Snyk IDSNYK-JAVA-ORGAPACHEFLEXBLAZEDS-31404
  • published21 May 2017
  • disclosed6 Apr 2017
  • creditMarkus Wulftange

Introduced: 6 Apr 2017

CVE-2017-5641  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade org.apache.flex.blazeds:flex-messaging-core to version 4.7.3 or higher.

Overview

org.apache.flex.blazeds:flex-messaging-core is a flex messaging core component for blazDS

Affected versions of this package are vulnerable to Arbitrary Code Execution. It uses AMF3 deserializers which allow instantiation of arbitrary classes via public parameter-less constructors. An attacker may exploit this to send a malicious AMF3 object to the system to execute arbitrary code.

CVSS Scores

version 3.1