1) Stack-based buffer overflow

EUVDB-ID: #VU1255

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2016-8399

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a local user to cause kernel panic or escalate privileges.

The vulnerability exists due to a boundary error when crating an ICMP header. A local user can create a very short ICMP header and execute arbitrary code within the contest of the kernel.

Successful exploitation of the vulnerability may allow a local user to escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for Power, big endian - Extended Update Support: 6.7

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 6.7

Red Hat Enterprise Linux Server - Extended Update Support: 6.7

kernel (Red Hat package): 2.6.32-71.7.1.el6 - 2.6.32-573.40.1.el6

Red Hat Enterprise Linux EUS Compute Node: 6.7

:

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CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power\,_big_endian_-_extended_update_support:6.7:*:*:*:*:red_hat_enterprise_linux:*:*

External links

http://access.redhat.com/errata/RHSA-2017:0869

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?