SerenityOS TypedArray.cpp initialize_typed_array_from_array_buffer integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in SerenityOS. This affects the function initialize_typed_array_from_array_buffer in the library Userland/Libraries/LibJS/Runtime/TypedArray.cpp. The manipulation leads to integer overflow. This vulnerability is uniquely identified as CVE-2021-4327. Furthermore, there is an exploit available. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. It is recommended to apply a patch to fix this issue. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in SerenityOS (version now known). It has been rated as critical. Affected by this issue is the function initialize_typed_array_from_array_buffer in the library Userland/Libraries/LibJS/Runtime/TypedArray.cpp. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability.

The weakness was shared 03/01/2023 by William Bowling. The advisory is available at devcraft.io. This vulnerability is handled as CVE-2021-4327. Technical details as well as a public exploit are known.

The exploit is available at devcraft.io. It is declared as proof-of-concept.

Applying the patch f6c6047e49f1517778f5565681fb64750b14bf60 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (VulDB): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: f6c6047e49f1517778f5565681fb64750b14bf60

Timelineinfo

03/01/2023 🔍
03/01/2023 +0 days 🔍
03/01/2023 +0 days 🔍
03/26/2023 +25 days 🔍

Sourcesinfo

Advisory: f6c6047e49f1517778f5565681fb64750b14bf60
Researcher: William Bowling
Status: Confirmed

CVE: CVE-2021-4327 (🔍)
GCVE (CVE): GCVE-0-2021-4327
GCVE (VulDB): GCVE-100-222074
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/01/2023 11:10 AM
Updated: 03/26/2023 04:15 PM
Changes: 03/01/2023 11:10 AM (44), 03/26/2023 04:08 PM (3), 03/26/2023 04:15 PM (28)
Complete: 🔍
Cache ID: 18:0C4:40

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