High severity · published Aug 23, 2021
CVE-2020-18734
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
7.5
CVSS
1.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CD
Cyclone Data Distribution Service · Eclipse
0.1.0 · source: NVD
Affected product
CD
Cyclone Data Distribution Service
Eclipse
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-18734
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-18734
Third Party Advisory
https://github.com/eclipse-cyclonedds/cyclonedds
Exploit
https://github.com/eclipse-cyclonedds/cyclonedds/issues/476
Release Notes
https://projects.eclipse.org/projects/iot.cyclonedds
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7.5
CVE-2020-18735
A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash