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CVE-2019-20791

Date: April 28, 2020

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Language: C++

Severity Score

Related Resources (5)

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19386
https://github.com/openthread/openthread/commit/c3a3a0c424322009fec3ab735fb20ce8f6e19e70
https://github.com/openthread/openthread/commit/b8c3161281f8e15873f8decabd8eac461717aefe
https://nvd.nist.gov/vuln/detail/CVE-2019-20791
https://www.mend.io/vulnerability-database/CVE-2019-20791

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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