CVE-2021-47952

Summary

python jsonpickle 2.0.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary Python commands by deserializing malicious JSON payloads containing py/repr objects. Attackers can craft JSON strings with py/repr directives that invoke the eval function during deserialization to execute arbitrary code.

Affected Software

Weaknesses

• CWE-94: Improper Control of Generation of Code ('Code Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

python-jsonpickle: python-jsonpickle: Arbitrary Code Execution via Malicious JSON Deserialization

Additional References

• https://access.redhat.com/security/cve/CVE-2021-47952
• https://bugzilla.redhat.com/show_bug.cgi?id=2478170
• https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47952.json

References

• https://www.exploit-db.com/exploits/49585
• https://jsonpickle.github.io
• https://github.com/jsonpickle/jsonpickle
• https://www.vulncheck.com/advisories/python-jsonpickle-remote-code-execution-via-py-repr

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