Integer overflow in Netconsd - CVE-2023-28753
Published: August 18, 2023
Vulnerability identifier: #VU79696
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2023-28753
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the parse_packet() function in ncrx/libncrx.c. A remote attacker can send specially crafted messages to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Netconsd
Fedora
netconsd
Fedora
netconsd
How to mitigate CVE-2023-28753
Install updates from vendor's website.
Netconsd - update to 0.2
netconsd - addressed in versions 0.2-1.el8, 0.2-1.el9, 0.2-1.fc36, 0.2-1.fc37, 0.2-1.fc38
netconsd - addressed in versions 0.2-1.el8, 0.2-1.el9, 0.2-1.fc36, 0.2-1.fc37, 0.2-1.fc38