Device crash via truncated L2CAP buffer overflow
Published Feb 10, 2020 · Updated Aug 5, 2024
Buffer overflow in Dialog Semiconductor SDK 5.0.4 and earlier allows physically proximate attackers to crash DA14580-family devices. L2CAP processing copies truncated bytes past the reception buffer when Link Layer length is smaller than the declared L2CAP length plus its four-byte header. The attacker must act as a BLE central within radio range; the demonstrated result is a device crash, while code execution remains unproven.
Summary
What happened
Buffer overflow in Dialog Semiconductor SDK 5.0.4 and earlier allows physically proximate attackers to crash DA14580-family devices. L2CAP processing copies truncated bytes past the reception buffer when Link Layer length is smaller than the declared L2CAP length plus its four-byte header. The attacker must act as a BLE central within radio range; the demonstrated result is a device crash, while code execution remains unproven.
The record
- CVE
- CVE-2019-17517
- Published
- Feb 10, 2020
- Updated
- Aug 5, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-120, T1499
- Attack vector
- adjacent
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 10, 2020CVE publishedPublication date reported by the CVE source.
- Aug 5, 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?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
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
- DA14580_exploit_att_crash.pyfunctional · demonstrated
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Technologies
Your stack
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Your stack
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