Local information disclosure via incorrect bounds check
Published Dec 17, 2021 · Updated Aug 3, 2024
Out-of-bounds read in MediaTek APUSYS on Android 10.0, 11.0, and 12.0 allows local users with System privileges to disclose memory contents. An undisclosed APUSYS component applies an incorrect bounds check before reading a buffer, permitting access beyond the buffer boundary. Exploitation requires System execution privileges but no user interaction, and the documented consequence is local information disclosure only.
Summary
What happened
Out-of-bounds read in MediaTek APUSYS on Android 10.0, 11.0, and 12.0 allows local users with System privileges to disclose memory contents. An undisclosed APUSYS component applies an incorrect bounds check before reading a buffer, permitting access beyond the buffer boundary. Exploitation requires System execution privileges but no user interaction, and the documented consequence is local information disclosure only.
The record
- CVE
- CVE-2021-0900
- Published
- Dec 17, 2021
- Updated
- Aug 3, 2024
- Vendor
- MediaTek
- Product
- MediaTek APUSYS
- Classifications
- CWE-125, CWE-20, T1005
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Dec 17, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=Android 10.0, 11.0, 12.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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