Memory leak in FreeBSD - CVE-2017-1086

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Main Vulnerability Database Vulnerabilities #VU9341

Memory leak in FreeBSD - CVE-2017-1086

Published: November 16, 2017 / Updated: November 16, 2017


Vulnerability identifier: #VU9341
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-1086
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD

Detailed vulnerability description

The vulnerability allows a local user to obtain potentially sensitive information.

The vulnerability exists due to an error in implementation of the ptrace(PT_LWPINFO) system call. A local user can use debugger to read portions of data from kernel.



How to mitigate CVE-2017-1086


Sources