Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds
CVE-2023-39948

7.5HIGH

Key Information:

Vendor

Eprosima

Status
Fast-dds
Vendor
CVE Published:
11 August 2023

What is CVE-2023-39948?

The Fast DDS application, implemented by eprosima, is susceptible to an issue where the BadParamException is not properly handled, enabling a potential attacker to remotely crash any Fast DDS process. This vulnerability affects all versions before 2.10.0 and 2.6.5, which contain patches to remediate the problem. Effective handling of exceptions is crucial in maintaining the stability and security of distributed systems.

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Affected Version(s)

Fast-DDS < 2.6.5 < 2.6.5

Fast-DDS >= 2.7.0, < 2.10.0 < 2.7.0, 2.10.0

References

https://github.com/eProsima/Fast-DDS/security/advisories/...
x_refsource_CONFIRM
https://github.com/eProsima/Fast-DDS/issues/3422
x_refsource_MISC
https://github.com/eProsima/Fast-DDS/files/11117197/fastd...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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