Permissions, Privileges, and Access Controls in FreeBSD - CVE-2015-5675
Published: October 10, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38126
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2015-5675
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD
FreeBSD
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
The sys_amd64 IRET Handler in the kernel in FreeBSD 9.3 and 10.1 allows local users to gain privileges or cause a denial of service (kernel panic).
How to mitigate CVE-2015-5675
Install update from vendor's website.
Sources
- http://packetstormsecurity.com/files/133335/FreeBSD-Security-Advisory-IRET-Handler-Privilege-Escalation.html
- http://www.securityfocus.com/archive/1/536321/100/0/threaded
- http://www.securityfocus.com/bid/76485
- http://www.securitytracker.com/id/1033376
- https://www.freebsd.org/security/advisories/FreeBSD-SA-15:21.amd64.asc