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Vulnerability Details : CVE-2017-1000111

Linux kernel: heap out-of-bounds in AF_PACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes socket state may race with safety checks in packet_set_ring. Previously with PACKET_VERSION. This time with PACKET_RESERVE. The solution is similar: lock the socket for the update. This issue may be exploitable, we did not investigate further. As this issue affects PF_PACKET sockets, it requires CAP_NET_RAW in the process namespace. But note that with user namespaces enabled, any process can create a namespace in which it has CAP_NET_RAW.
Publish Date : 2017-10-04 Last Update Date : 2017-12-06
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 264

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:2930: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20172930 unix
RHSA-2017:2931: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20172931 unix
RHSA-2017:3200: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20173200 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-1000111

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 4.12.3 Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 5.0 Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 6 Version Details Vulnerabilities
4 OS Redhat Enterprise Linux 7.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1
Redhat Enterprise Linux 3

- References For CVE-2017-1000111

https://access.redhat.com/errata/RHSA-2017:2931
REDHAT RHSA-2017:2931
https://access.redhat.com/errata/RHSA-2017:3200
REDHAT RHSA-2017:3200
https://access.redhat.com/errata/RHSA-2017:2918
REDHAT RHSA-2017:2918
https://access.redhat.com/security/cve/cve-2017-1000111 CONFIRM
https://access.redhat.com/errata/RHSA-2017:2930
REDHAT RHSA-2017:2930
http://www.securitytracker.com/id/1039132
SECTRACK 1039132
http://www.securityfocus.com/bid/100267
BID 100267 Linux Kernel CVE-2017-1000111 Local Privilege Escalation Vulnerability Release Date:2017-09-25
http://www.debian.org/security/2017/dsa-3981
DEBIAN DSA-3981

- Metasploit Modules Related To CVE-2017-1000111

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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