Vulnerability CVE-2017-1084
Published: 2018-09-12

Description:
In FreeBSD before 11.2-RELEASE, multiple issues with the implementation of the stack guard-page reduce the protections afforded by the guard-page. This results in the possibility a poorly written process could be cause a stack overflow.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
FreeBSD 'FGPE' Stack Clash Proof of Concept
Qualys
29.06.2017
Med.
FreeBSD 'FGPU' Stack Clash Proof of Concept
Qualys
29.06.2017

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Freebsd -> Freebsd 

 References:
https://www.exploit-db.com/exploits/42277/
https://www.exploit-db.com/exploits/42278/
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
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