Arbitrary Code Injection Affecting xstream package, versions <0:1.3.1-14.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
5.09% (93rd percentile)

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  • Snyk IDSNYK-AMZN2-XSTREAM-1702853
  • published27 Sept 2021
  • disclosed28 May 2021

Introduced: 28 May 2021

CVE-2021-29505  (opens in a new tab)
CWE-94  (opens in a new tab)
CWE-502  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 xstream to version 0:1.3.1-14.amzn2 or higher.
This issue was patched in ALAS2-2021-1698.

NVD Description

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

XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.

References

CVSS Scores

version 3.1