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Deserialization of Untrusted Data in Jython

Critical severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

maven org.python:jython (Maven)

Affected versions

<= 2.7.1-b3

Patched versions

2.7.1-rc1
maven org.python:jython-standalone (Maven)
<= 2.7.1b3
2.7.1

Description

Jython before 2.7.1rc1 allows attackers to execute arbitrary code via a crafted serialized PyFunction object.

References

Published by the National Vulnerability Database Jul 6, 2017
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jul 6, 2022
Last updated Jan 27, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2016-4000

GHSA ID

GHSA-6r7r-jj8h-pq6v

Source code

No known source code
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