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Vulnerability Details : CVE-2018-14634

An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.
Publish Date : 2018-09-25 Last Update Date : 2021-07-20
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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) Overflow
CWE ID 190

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:2748: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20182748 unix
RHSA-2018:2763: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20182763 unix
RHSA-2018:2846: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20182846 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-2018-14634

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 12.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
3 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
4 Application Netapp Active Iq Performance Analytics Services - * * * Version Details Vulnerabilities
5 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Server Aus 6.5 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server Aus 6.6 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server Eus 6.7 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server Eus 7.5 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Eus 7.6 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Tus 6.6 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 2
Linux Linux Kernel 1
Netapp Active Iq Performance Analytics Services 1
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Server Aus 3
Redhat Enterprise Linux Server Eus 3
Redhat Enterprise Linux Server Tus 2
Redhat Enterprise Linux Workstation 2

- References For CVE-2018-14634

https://access.redhat.com/errata/RHSA-2018:3586
REDHAT RHSA-2018:3586
https://access.redhat.com/errata/RHSA-2018:3540
REDHAT RHSA-2018:3540
https://access.redhat.com/errata/RHSA-2018:3643
REDHAT RHSA-2018:3643
https://usn.ubuntu.com/3775-2/
UBUNTU USN-3775-2
https://usn.ubuntu.com/3779-1/
UBUNTU USN-3779-1
https://support.f5.com/csp/article/K20934447?utm_source=f5support&utm_medium=RSS CONFIRM
https://security.netapp.com/advisory/ntap-20190204-0002/ CONFIRM
https://access.redhat.com/errata/RHSA-2018:3590
REDHAT RHSA-2018:3590
https://access.redhat.com/errata/RHSA-2018:2924
REDHAT RHSA-2018:2924
https://access.redhat.com/errata/RHSA-2018:3591
REDHAT RHSA-2018:3591
https://access.redhat.com/errata/RHSA-2018:2933
REDHAT RHSA-2018:2933
https://access.redhat.com/errata/RHSA-2018:2846
REDHAT RHSA-2018:2846
https://usn.ubuntu.com/3775-1/
UBUNTU USN-3775-1
http://www.securityfocus.com/bid/105407
BID 105407 Linux Kernel 'create_elf_tables()' Function Local Integer Overflow Vulnerability Release Date:2019-03-29
https://www.exploit-db.com/exploits/45516/
EXPLOIT-DB 45516
https://access.redhat.com/errata/RHSA-2018:2748
REDHAT RHSA-2018:2748
https://security.paloaltonetworks.com/CVE-2018-14634 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634 CONFIRM
https://www.openwall.com/lists/oss-security/2018/09/25/4
MLIST [oss-security] 20180925 Integer overflow in Linux's create_elf_tables() (CVE-2018-14634)
https://access.redhat.com/errata/RHSA-2018:2925
REDHAT RHSA-2018:2925
https://access.redhat.com/errata/RHSA-2018:2763
REDHAT RHSA-2018:2763

- Metasploit Modules Related To CVE-2018-14634

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


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