Memory corruption in Linux kernel - CVE-2017-1000364

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Main Vulnerability Database Vulnerabilities #VU7131

Memory corruption in Linux kernel - CVE-2017-1000364

Published: June 20, 2017 / Updated: June 28, 2017


Vulnerability identifier: #VU7131
CSH Severity: Medium
CVSS v4: 8.5 [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]
CVE-ID: CVE-2017-1000364
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to memory management errors in implementation of various functions under multiple operating systems. A local or remote attacker can trigger the affected application to process specially crafted data, trigger memory corruption and execute arbitrary code on the target system. The vulnerability is dubbed by Qualys researchers as “Stack Clash”.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Linux kernel
Arch Linux
Amazon Linux AMI
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
SUSE Linux
Ubuntu
Slackware Linux
Fedora
Opensuse

MRG Realtime
kernel-rt (Red Hat package)
tiff (Alpine package)
linux-vanilla (Alpine package)
linux-rpi (Alpine package)
kernel (Red Hat package)
kernel

How to mitigate CVE-2017-1000364

Update Linux kernel to version 4.11.6.

kernel-rt (Red Hat package) - addressed in versions 3.10.0-514.rt56.228.el6rt, 3.10.0-514.26.1.rt56.442.el7
tiff (Alpine package) - update to 4.0.7-r0
linux-rpi (Alpine package) - update to 4.9.33-r0
kernel (Red Hat package) - addressed in versions 2.6.18-348.33.2.el5, 2.6.18-420.el5, 2.6.32-220.72.2.el6, 2.6.32-358.79.2.el6, 2.6.32-504.60.2.el6
kernel - addressed in versions 4.11.6-100.fc24, 4.11.6-101.fc24, 4.11.6-200.fc25, 4.11.6-201.fc25, 4.11.6-300.fc26, 4.11.6-301.fc26

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins