#VU76002 Out-of-bounds write in ntp - CVE-2023-26555
Published: May 10, 2023
Vulnerability identifier: #VU76002
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-26555
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
ntp
ntp
Software vendor:
ntp.org
ntp.org
Description
The vulnerability allows an attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within praecis_parse() function in ntpd/refclock_palisade.c. An attacker with physical proximity to device can trigger an out-of-bounds write error by manipulating the GPS receiver and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.