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VulDBCVELIST:CVE-2023-7152

HistoryDec 29, 2023 - 4:31 a.m.

CVE-2023-7152 MicroPython modselect.c poll_set_add_fd use after free

2023-12-2904:31:04

CWE-416

VulDB

www.cve.org

micropython

modselect.c

vulnerability

use after free

CVSS2

5.2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:S/C:P/I:P/A:P

CVSS3

5.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

AI Score

9.7

Confidence

High

EPSS

0.003

Percentile

66.1%

JSON

A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "MicroPython",
    "versions": [
      {
        "version": "1.21.0",
        "status": "affected"
      },
      {
        "version": "1.22.0-preview",
        "status": "affected"
      }
    ]
  }
]

References

github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26

github.com/micropython/micropython/issues/12887

lists.fedoraproject.org/archives/list/[email protected]/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/

lists.fedoraproject.org/archives/list/[email protected]/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/

lists.fedoraproject.org/archives/list/[email protected]/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/

vuldb.com/?ctiid.249158

vuldb.com/?id.249158

CVSS2

5.2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:S/C:P/I:P/A:P

CVSS3

5.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

AI Score

9.7

Confidence

High

EPSS

0.003

Percentile

66.1%

JSON

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