Insufficient input validation in the Marvin Minsky 1967 implementation of the Universal Turing Machine allows program users to execute arbitrary code via crafted data. For example, a tape head may have an unexpected location after the processing of input composed of As and Bs (instead of 0s and 1s). NOTE: the discoverer states "this vulnerability has no real-world implications."
Published 2021-05-10 05:15:07
Updated 2021-05-19 18:40:08
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Input validationExecute code

Exploit prediction scoring system (EPSS) score for CVE-2021-32471

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-32471

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2021-32471

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-32471

  • https://arxiv.org/abs/2105.02124
    [2105.02124] Intrinsic Propensity for Vulnerability in Computers? Arbitrary Code Execution in the Universal Turing Machine
    Third Party Advisory
  • https://github.com/intrinsic-propensity/turing-machine
    GitHub - intrinsic-propensity/turing-machine: A Python program implementing and exploiting the Minsky Turing machine considered in the paper "Intrinsic Propensity for Vulnerability in Computers? Arbit
    Exploit;Third Party Advisory

Products affected by CVE-2021-32471

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