Google Android 11.0/12.0/13.0 sdp_discovery.cc sdpu_build_uuid_seq 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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7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android 11.0/12.0/13.0. The impacted element is the function sdpu_build_uuid_seq of the file sdp_discovery.cc. Performing a manipulation results in out-of-bounds write. This vulnerability is known as CVE-2023-21108. Remote exploitation of the attack is possible. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android 11.0/12.0/13.0 (Smartphone Operating System). This affects the function sdpu_build_uuid_seq of the file sdp_discovery.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. The summary by CVE is:

In sdpu_build_uuid_seq of sdp_discovery.cc, there is a possible out of bounds write due to a use after free. This could lead to remote code execution over Bluetooth, if HFP support is enabled, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-239414876

The weakness was published 06/15/2023 as A-239414876. The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2023-21108 since 11/03/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/12/2025). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25276). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: No
Local: No
Remote: Yes

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

11/03/2022 🔍
06/15/2023 +223 days 🔍
06/15/2023 +0 days 🔍
09/12/2025 +820 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-239414876
Status: Confirmed

CVE: CVE-2023-21108 (🔍)
GCVE (CVE): GCVE-0-2023-21108
GCVE (VulDB): GCVE-100-231645
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 06/16/2023 00:02
Updated: 09/12/2025 03:18
Changes: 06/16/2023 00:02 (43), 07/14/2023 06:51 (11), 09/12/2025 03:18 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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