Google Android dllist_remove_node use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android. This impacts the function dllist_remove_node. The manipulation leads to use after free. This vulnerability is traded as CVE-2021-0696. An attack has to be approached locally. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown) and classified as critical. This issue affects the function dllist_remove_node. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In dllist_remove_node of TBD, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-242344778

The weakness was shared 10/12/2022 as A-242344778. It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2021-0696 since 11/06/2020. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/07/2022). 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.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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

11/06/2020 🔍
10/12/2022 +704 days 🔍
10/12/2022 +0 days 🔍
12/07/2022 +56 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-242344778
Status: Confirmed

CVE: CVE-2021-0696 (🔍)
GCVE (CVE): GCVE-0-2021-0696
GCVE (VulDB): GCVE-100-210659
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 10/12/2022 10:43
Updated: 12/07/2022 15:01
Replaces Duplicates: 🔍
Changes: 10/12/2022 10:43 (41), 11/06/2022 16:24 (11), 12/07/2022 15:01 (2)
Complete: 🔍
Cache ID: 216::103

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