PT-2023-4902 · Eprosima+2 · Fastdds+2

Squizz617 · Published 2023-08-11 · Updated 2023-08-24 · CVE-2023-39949

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions eprosima Fast DDS versions prior to 2.9.1 and 2.6.5

Description The issue is related to improper validation of sequence numbers, which may lead to remotely reachable assertion failure, causing any Fast-DDS process to crash. This can be exploited by a remote attacker to cause a denial of service.

Recommendations For versions prior to 2.9.1, update to version 2.9.1 to resolve the issue. For versions prior to 2.6.5, update to version 2.6.5 to resolve the issue.

Exploit

Fix

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

BDU:2023-05395

CVE-2023-39949

DSA-5481-1

GHSA-3JV9-J9X3-95CG

USN-6306-1

Affected Products

Fastdds

Linuxmint

Ubuntu

References · 27

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39949.json · Exploit
• https://ubuntu.com/security/CVE-2023-39946 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-39949 · Security Note
• https://osv.dev/vulnerability/CVE-2023-39949 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-39949 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-39948 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-39949 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6306-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05395 · Security Note
• https://ubuntu.com/security/CVE-2023-39949 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-39947 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-39949 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6306-1 · Vendor Advisory
• https://debian.org/security/2023/dsa-5481 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-39949 · Security Note