Double Free in Tcpreplay - CVE-2023-4256
Published: March 20, 2024
Vulnerability identifier: #VU87648
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-4256
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the tcpedit_dlt_cleanup() function in plugins/dlt_plugins.c. A remote attacker can pass specially crafted data to the application, trigger a double free error and perform a denial of service (DoS) attack.
Affected software
Tcpreplay
Fedora
Ubuntu
tcpreplay (Ubuntu package)
tcpreplay
Fedora
Ubuntu
tcpreplay (Ubuntu package)
tcpreplay
How to mitigate CVE-2023-4256
Install updates from vendor's website.
tcpreplay (Ubuntu package) - update to Ubuntu Pro
tcpreplay - addressed in versions 4.4.4-5.el7, 4.4.4-5.el8, 4.4.4-5.el9, 4.4.4-5.fc38, 4.4.4-5.fc39, 4.4.4-5.fc40
tcpreplay - addressed in versions 4.4.4-5.el7, 4.4.4-5.el8, 4.4.4-5.el9, 4.4.4-5.fc38, 4.4.4-5.fc39, 4.4.4-5.fc40