Google Android util.cpp HexString2Value out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Google Android. This impacts the function HexString2Value of the file util.cpp. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2022-42501. The attack needs to be performed locally. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version not known). It has been rated as critical. This issue affects the function HexString2Value of the file util.cpp. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In HexString2Value of util.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-241231403References: N/A

The weakness was released 12/16/2022 as A-241231403. It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2022-42501 since 10/07/2022. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/18/2025). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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: 🔍

Timelineinfo

10/07/2022 🔍
12/16/2022 +70 days 🔍
12/16/2022 +0 days 🔍
04/18/2025 +854 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-241231403
Status: Confirmed

CVE: CVE-2022-42501 (🔍)
GCVE (CVE): GCVE-0-2022-42501
GCVE (VulDB): GCVE-100-216071
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/16/2022 21:12
Updated: 04/18/2025 22:09
Changes: 12/16/2022 21:12 (42), 04/18/2025 22:09 (27)
Complete: 🔍
Cache ID: 216::103

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