CVE-2017-1000377 Information

Description

An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors) specifically the default stack guard page is not sufficiently large and can be \jumped\ over (the stack guard page is bypassed) this affects PAX Linux Kernel versions as of June 19 2017 (specific version information is not available at this time).

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Reference

http://www.securityfocus.com/bid/99129 https://access.redhat.com/security/cve/CVE-2017-1000377 https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

5.9