MicroPython objslice.c slice_indices heap-based overflow
CVE-2023-7158

7.3HIGH

Key Information:

Vendor

Micropython

Status
Micropython
Vendor
CVE Published:
29 December 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-7158?

A vulnerability exists in MicroPython versions up to 1.21.0, where the slice_indices function in objslice.c is susceptible to a remote attack that can lead to a heap-based buffer overflow. This issue may allow an attacker to manipulate memory, potentially resulting in code execution or application crashes. Users are strongly advised to upgrade to version 1.22.0 or later to mitigate this risk, as the exploit has been disclosed publicly and could be actively exploited.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

MicroPython 1.13.0

MicroPython 1.14.0

MicroPython 1.15.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-7158 - Proof of Concept

References

https://vuldb.com/?id.249180
vdb-entrytechnical-description
https://vuldb.com/?ctiid.249180
signaturepermissions-required
https://github.com/micropython/micropython/issues/13007
exploitissue-tracking

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

qbit (VulDB User)
JSON
.