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Vulnerability Details :

CVE-2024-8948

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-17 Sep, 2024 | 18:50
Updated At-17 Sep, 2024 | 20:07
Rejected At-
Credits

MicroPython objint.c mpz_as_bytes heap-based overflow

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:17 Sep, 2024 | 18:50
Updated At:17 Sep, 2024 | 20:07
Rejected At:
▼CVE Numbering Authority (CNA)
MicroPython objint.c mpz_as_bytes heap-based overflow

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

Affected Products
Vendor
n/a
Product
MicroPython
Versions
Affected
  • 1.23.0
Problem Types
TypeCWE IDDescription
CWECWE-122Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-122
Description: Heap-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
3.17.3HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
3.07.3HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
2.07.5N/A
AV:N/AC:L/Au:N/C:P/I:P/A:P
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Version: 3.1
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Version: 3.0
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Version: 2.0
Base score: 7.5
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
qbit (VulDB User)
Timeline
EventDate
Advisory disclosed2024-09-17 00:00:00
VulDB entry created2024-09-17 02:00:00
VulDB entry last update2024-09-17 20:55:06
Event: Advisory disclosed
Date: 2024-09-17 00:00:00
Event: VulDB entry created
Date: 2024-09-17 02:00:00
Event: VulDB entry last update
Date: 2024-09-17 20:55:06
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.277766
vdb-entry
technical-description
https://vuldb.com/?ctiid.277766
signature
permissions-required
https://vuldb.com/?submit.409317
third-party-advisory
https://github.com/micropython/micropython/issues/13041
exploit
issue-tracking
https://github.com/micropython/micropython/commit/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894
patch
Hyperlink: https://vuldb.com/?id.277766
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.277766
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.409317
Resource:
third-party-advisory
Hyperlink: https://github.com/micropython/micropython/issues/13041
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/micropython/micropython/commit/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894
Resource:
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Vendor
micropython
Product
micropython
CPEs
  • cpe:2.3:a:micropython:micropython:*:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • 1.23.0
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:17 Sep, 2024 | 19:15
Updated At:23 Sep, 2024 | 18:10

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Secondary3.17.3HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Secondary2.07.5HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Type: Secondary
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Type: Secondary
Version: 2.0
Base score: 7.5
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CPE Matches

micropython
micropython
>>micropython>>1.23.0
cpe:2.3:a:micropython:micropython:1.23.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-787Primarynvd@nist.gov
CWE-122Secondarycna@vuldb.com
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-122
Type: Secondary
Source: cna@vuldb.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/micropython/micropython/commit/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894cna@vuldb.com
Patch
https://github.com/micropython/micropython/issues/13041cna@vuldb.com
Exploit
Issue Tracking
Third Party Advisory
https://vuldb.com/?ctiid.277766cna@vuldb.com
Permissions Required
https://vuldb.com/?id.277766cna@vuldb.com
Third Party Advisory
https://vuldb.com/?submit.409317cna@vuldb.com
Third Party Advisory
Hyperlink: https://github.com/micropython/micropython/commit/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894
Source: cna@vuldb.com
Resource:
Patch
Hyperlink: https://github.com/micropython/micropython/issues/13041
Source: cna@vuldb.com
Resource:
Exploit
Issue Tracking
Third Party Advisory
Hyperlink: https://vuldb.com/?ctiid.277766
Source: cna@vuldb.com
Resource:
Permissions Required
Hyperlink: https://vuldb.com/?id.277766
Source: cna@vuldb.com
Resource:
Third Party Advisory
Hyperlink: https://vuldb.com/?submit.409317
Source: cna@vuldb.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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