National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-1086 Detail

Current Description

In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p4, 11.0-RELEASE-p15, 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24, not all information in the struct ptrace_lwpinfo is relevant for the state of any thread, and the kernel does not fill the irrelevant bytes or short strings. Since the structure filled by the kernel is allocated on the kernel stack and copied to userspace, a leak of information of the kernel stack of the thread is possible from the debugger. As a result, some bytes from the kernel stack of the thread using ptrace (PT_LWPINFO) call can be observed in userspace.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 3.3 LOW
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/101861 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039809 Third Party Advisory VDB Entry
https://www.freebsd.org/security/advisories/FreeBSD-SA-17:08.ptrace.asc Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Information Exposure NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:freebsd:freebsd:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-1086
NVD Published Date:
11/16/2017
NVD Last Modified:
12/02/2017