CVE-2021-33889 : OpenThread wpantund through 2021-07-02 has a stack-based Buffer Overflow because

OpenThread wpantund through 2021-07-02 has a stack-based Buffer Overflow because of an inconsistency in the integer data type for metric_len.

Published 2021-07-02 19:15:08

Updated 2021-07-12 15:50:48

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2021-33889

Openthread » Wpantund
Versions up to, including, (<=) 2021-07-02
cpe:2.3:a:openthread:wpantund:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 21 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.8	MEDIUM	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	0.9	5.9	NIST
Attack Vector: Physical Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://github.com/openthread/wpantund/issues/502

stack-buffer-overflow in metric_len · Issue #502 · openthread/wpantund · GitHub
Patch;Third Party Advisory
https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0019/FEYE-2021-0019.md

Vulnerability-Disclosures/FEYE-2021-0019.md at master · fireeye/Vulnerability-Disclosures · GitHub
Patch;Third Party Advisory
https://github.com/openthread/wpantund/releases

Releases · openthread/wpantund · GitHub
Third Party Advisory

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