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Exploits
ID:3670 - Exploit for Use-after-free in FreeBSD - CVE-2020-7457
ID:3670 - Exploit for Use-after-free in FreeBSD - CVE-2020-7457
Published: July 30, 2020
Vulnerability identifier: #VU29604
Vulnerability risk: Low
CVE-ID: CVE-2020-7457
CWE-ID: CWE-416
Exploitation vector: Local access
Vulnerable software:
FreeBSD
FreeBSD
Link to public exploit:
Vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition followed by a use-after-free error when processing IPv6 header options set by the IPV6_2292PKTOPTIONS socket option. A local user can set specially crafted IPv6 header options, trigger memory corruption and execute arbitrary code on the system with elevated privileges.
Remediation
Install updates from vendor's website.