Service interruption via keyboard descriptor buffer over-read
Published Sep 5, 2023 · Updated Aug 2, 2024
Buffer over-read in Qualcomm Snapdragon Bluetooth HOST allows remote authenticated users to interrupt service via a supplied keyboard descriptor. The host passes the descriptor to its blacklisted-keyboard validation path, which reads beyond the descriptor buffer. Low-privilege access is required; the observed consequence is a transient service interruption rather than data exposure or modification.
Summary
What happened
Buffer over-read in Qualcomm Snapdragon Bluetooth HOST allows remote authenticated users to interrupt service via a supplied keyboard descriptor. The host passes the descriptor to its blacklisted-keyboard validation path, which reads beyond the descriptor buffer. Low-privilege access is required; the observed consequence is a transient service interruption rather than data exposure or modification.
The record
- CVE
- CVE-2023-21667
- Published
- Sep 5, 2023
- Updated
- Aug 2, 2024
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-125, CWE-126, T1499.004
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 5, 2023CVE publishedPublication date reported by the CVE source.
- Aug 2, 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=QCA6390
- Affected versionversion=QCA6391
- Affected versionversion=QCA6426
- Affected versionversion=QCA6436
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6696
- Affected versionversion=QCC5100
- Affected versionversion=QCN9074
- Affected versionversion=QCS410
- Affected versionversion=QCS610
- Affected versionversion=SA6145P
- Affected versionversion=SA6150P
- Affected versionversion=SA6155P
- Affected versionversion=SA8145P
- Affected versionversion=SA8150P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SD865 5G
- Affected versionversion=SD870
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SDX55M
- Affected versionversion=SDXR2 5G
- Affected versionversion=SW5100
- Affected versionversion=SW5100P
- Affected versionversion=WCD9341
- Affected versionversion=WCD9370
- Affected versionversion=WCD9380
- Affected versionversion=WCN3660B
- Affected versionversion=WCN3680B
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WCN6850
- Affected versionversion=WCN6851
- Affected versionversion=WCN6855
- Affected versionversion=WCN6856
- Affected versionversion=WCN7850
- Affected versionversion=WCN7851
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8835
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
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Technologies
Your stack
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Your stack
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