CVE-2020-18734 : A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v

A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.

Published 2021-08-23 21:15:09

Updated 2021-08-30 17:03:00

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2020-18734

Eclipse » Cyclone Data Distribution Service » Version: 0.1.0
cpe:2.3:a:eclipse:cyclone_data_distribution_service:0.1.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.60%

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

~ 67 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None 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/eclipse-cyclonedds/cyclonedds

GitHub - eclipse-cyclonedds/cyclonedds: Eclipse Cyclone DDS project
Third Party Advisory

CVEs referencing this url
https://projects.eclipse.org/projects/iot.cyclonedds

Eclipse Cyclone DDS | projects.eclipse.org
Release Notes;Vendor Advisory

CVEs referencing this url
https://github.com/eclipse-cyclonedds/cyclonedds/issues/476

Stack-buffer-overflow was found at ./src/core/ddsi/include/ddsi/q_bitset.h:50:13 in nn_bitset_one. · Issue #476 · eclipse-cyclonedds/cyclonedds · GitHub
Exploit;Issue Tracking;Third Party Advisory

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