Google Android rw_i93.cc rw_i93_send_to_upper out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5$25k-$100k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been declared as critical. The impacted element is the function rw_i93_send_to_upper of the file rw_i93.cc. The manipulation results in out-of-bounds write. This vulnerability was named CVE-2023-21241. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version now known). It has been classified as critical. Affected is the function rw_i93_send_to_upper of the file rw_i93.cc. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In rw_i93_send_to_upper of rw_i93.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

The weakness was presented 07/13/2023. The advisory is shared for download at android.googlesource.com. This vulnerability is traded as CVE-2023-21241 since 11/03/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 08/02/2023). It is expected to see the exploit prices for this product increasing in the near future.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best 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: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2022 🔍
07/13/2023 +251 days 🔍
07/13/2023 +0 days 🔍
08/02/2023 +20 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Confirmed

CVE: CVE-2023-21241 (🔍)
GCVE (CVE): GCVE-0-2023-21241
GCVE (VulDB): GCVE-100-233988
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 07/13/2023 09:32
Updated: 08/02/2023 18:30
Changes: 07/13/2023 09:32 (40), 08/02/2023 18:30 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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