Heap-based buffer overflow in Fast DDS - CVE-2023-39946
Published: August 22, 2023
Vulnerability identifier: #VU79821
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-39946
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Fast DDS
Fast DDS
Software vendor:
eProsima
eProsima
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in eprosima::fastdds::dds::ParameterPropertyList_t::push_back_helper() function. A remote attacker can send an overly long CDR string to the discovery multicast port, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.