Vulnerability Monitor

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CVE-2021-32471

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

2021-05-10T05:15:06.640

Last Modified

2024-11-21T06:07:06.180

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mit	universal_turing_machine	-	Yes

References

https://arxiv.org/abs/2105.02124 Third Party Advisory ([email protected])
https://github.com/intrinsic-propensity/turing-machine Exploit, Third Party Advisory ([email protected])
https://arxiv.org/abs/2105.02124 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/intrinsic-propensity/turing-machine Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)