Out-of-bounds write in Informix Dynamic Server - CVE-2020-4799
Published: October 25, 2023
Vulnerability identifier: #VU82359
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-4799
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A local user can create a specially crafted file, trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
Informix Dynamic Server
How to mitigate CVE-2020-4799
Install updates from vendor's website.
Informix Dynamic Server - addressed in versions 12.10.xC15, 14.10.XC4