PT-2023-4903 · Eprosima+2 · Eprosima Fast Dds+2

Squizz617 · Published 2023-08-11 · Updated 2023-08-24 · CVE-2023-39947

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Name of the Vulnerable Software and Affected Versions eprosima Fast DDS versions prior to 2.11.1 eprosima Fast DDS versions prior to 2.10.2 eprosima Fast DDS versions prior to 2.9.2 eprosima Fast DDS versions prior to 2.6.6

Description The issue is caused by a heap overflow in the dynamic memory due to malformed PID PROPERTY LIST parameters. This can allow a remote attacker to cause a denial of service, crashing any Fast-DDS process.

Recommendations For versions prior to 2.11.1, update to version 2.11.1 or later. For versions prior to 2.10.2, update to version 2.10.2 or later. For versions prior to 2.9.2, update to version 2.9.2 or later. For versions prior to 2.6.6, update to version 2.6.6 or later. As a temporary workaround, consider restricting the use of PID PROPERTY LIST parameters until a patch is applied.

Exploit

Fix

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

BDU:2023-05396

CVE-2023-39947

DSA-5481-1

GHSA-MF55-5747-C4PV

USN-6306-1

Affected Products

Linuxmint

Ubuntu

Eprosima Fast Dds

References · 27

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39947.json · Exploit
• https://ubuntu.com/security/CVE-2023-39946 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-39948 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-39947 · Security Note
• https://ubuntu.com/security/notices/USN-6306-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-39947 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-39949 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6306-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-39947 · Vendor Advisory
• https://debian.org/security/2023/dsa-5481 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05396 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-39947 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-39947 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-39947 · Security Note
• https://osv.dev/vulnerability/DSA-5481-1 · Vendor Advisory