Memory leak in NetBSD - #VU18388
Published: May 3, 2019
Vulnerability identifier: #VU18388
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to sensitive kernel information.
The vulnerability exists due memory leak within the SIOCGIFCONF IOCTL command. A local user can read huge amount of kernel memory, including pointers to bypass KASLR, stack canaries which can be used to exploit stack buffer overflows.
Affected software
NetBSD
Remediation
Install updates from vendor's website.