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Vulnerability Details : CVE-2017-18017

The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action.
Publish Date : 2018-01-03 Last Update Date : 2018-11-30
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- CVSS Scores & Vulnerability Types

CVSS Score
10.0
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) Denial Of ServiceMemory corruption
CWE ID 416

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:0676: kernel-rt security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20180676 unix
RHSA-2018:1062: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20181062 unix
RHSA-2018:1130: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20181130 unix
RHSA-2018:1319: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20181319 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-2017-18017

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 4.9 Version Details Vulnerabilities
2 OS Linux Linux Kernel 4.9.1 Version Details Vulnerabilities
3 OS Linux Linux Kernel 4.9.2 Version Details Vulnerabilities
4 OS Linux Linux Kernel 4.9.3 Version Details Vulnerabilities
5 OS Linux Linux Kernel 4.9.4 Version Details Vulnerabilities
6 OS Linux Linux Kernel 4.9.5 Version Details Vulnerabilities
7 OS Linux Linux Kernel 4.9.6 Version Details Vulnerabilities
8 OS Linux Linux Kernel 4.9.7 Version Details Vulnerabilities
9 OS Linux Linux Kernel 4.9.8 Version Details Vulnerabilities
10 OS Linux Linux Kernel 4.9.9 Version Details Vulnerabilities
11 OS Linux Linux Kernel 4.9.10 Version Details Vulnerabilities
12 OS Linux Linux Kernel 4.9.11 Version Details Vulnerabilities
13 OS Linux Linux Kernel 4.9.12 Version Details Vulnerabilities
14 OS Linux Linux Kernel 4.9.13 Version Details Vulnerabilities
15 OS Linux Linux Kernel 4.9.14 Version Details Vulnerabilities
16 OS Linux Linux Kernel 4.9.15 Version Details Vulnerabilities
17 OS Linux Linux Kernel 4.9.16 Version Details Vulnerabilities
18 OS Linux Linux Kernel 4.9.17 Version Details Vulnerabilities
19 OS Linux Linux Kernel 4.9.18 Version Details Vulnerabilities
20 OS Linux Linux Kernel 4.9.19 Version Details Vulnerabilities
21 OS Linux Linux Kernel 4.9.20 Version Details Vulnerabilities
22 OS Linux Linux Kernel 4.9.21 Version Details Vulnerabilities
23 OS Linux Linux Kernel 4.9.22 Version Details Vulnerabilities
24 OS Linux Linux Kernel 4.9.23 Version Details Vulnerabilities
25 OS Linux Linux Kernel 4.9.24 Version Details Vulnerabilities
26 OS Linux Linux Kernel 4.9.25 Version Details Vulnerabilities
27 OS Linux Linux Kernel 4.9.26 Version Details Vulnerabilities
28 OS Linux Linux Kernel 4.9.27 Version Details Vulnerabilities
29 OS Linux Linux Kernel 4.9.28 Version Details Vulnerabilities
30 OS Linux Linux Kernel 4.9.29 Version Details Vulnerabilities
31 OS Linux Linux Kernel 4.9.30 Version Details Vulnerabilities
32 OS Linux Linux Kernel 4.9.31 Version Details Vulnerabilities
33 OS Linux Linux Kernel 4.9.32 Version Details Vulnerabilities
34 OS Linux Linux Kernel 4.9.33 Version Details Vulnerabilities
35 OS Linux Linux Kernel 4.9.34 Version Details Vulnerabilities
36 OS Linux Linux Kernel 4.9.35 Version Details Vulnerabilities
37 OS Linux Linux Kernel 4.10 Version Details Vulnerabilities
38 OS Linux Linux Kernel 4.10.1 Version Details Vulnerabilities
39 OS Linux Linux Kernel 4.10.2 Version Details Vulnerabilities
40 OS Linux Linux Kernel 4.10.3 Version Details Vulnerabilities
41 OS Linux Linux Kernel 4.10.4 Version Details Vulnerabilities
42 OS Linux Linux Kernel 4.10.5 Version Details Vulnerabilities
43 OS Linux Linux Kernel 4.10.6 Version Details Vulnerabilities
44 OS Linux Linux Kernel 4.10.7 Version Details Vulnerabilities
45 OS Linux Linux Kernel 4.10.8 Version Details Vulnerabilities
46 OS Linux Linux Kernel 4.10.9 Version Details Vulnerabilities
47 OS Linux Linux Kernel 4.10.10 Version Details Vulnerabilities
48 OS Linux Linux Kernel 4.10.11 Version Details Vulnerabilities
49 OS Linux Linux Kernel 4.10.12 Version Details Vulnerabilities
50 OS Linux Linux Kernel 4.10.13 Version Details Vulnerabilities
51 OS Linux Linux Kernel 4.10.14 Version Details Vulnerabilities
52 OS Linux Linux Kernel 4.10.15 Version Details Vulnerabilities
53 OS Linux Linux Kernel 4.11 RC6 Version Details Vulnerabilities
54 OS Linux Linux Kernel 4.11 RC1 Version Details Vulnerabilities
55 OS Linux Linux Kernel 4.11 RC7 Version Details Vulnerabilities
56 OS Linux Linux Kernel 4.11 RC2 Version Details Vulnerabilities
57 OS Linux Linux Kernel 4.11 RC3 Version Details Vulnerabilities
58 OS Linux Linux Kernel 4.11 RC4 Version Details Vulnerabilities
59 OS Linux Linux Kernel 4.11 RC5 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 59

- References For CVE-2017-18017

https://access.redhat.com/errata/RHSA-2018:1062
REDHAT RHSA-2018:1062
https://www.debian.org/security/2018/dsa-4187
DEBIAN DSA-4187
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36
https://usn.ubuntu.com/3583-1/
UBUNTU USN-3583-1
https://lkml.org/lkml/2017/4/2/13
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
MLIST [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update
http://patchwork.ozlabs.org/patch/746618/
https://access.redhat.com/errata/RHSA-2018:1170
REDHAT RHSA-2018:1170
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765
https://access.redhat.com/errata/RHSA-2018:1737
REDHAT RHSA-2018:1737
http://www.securityfocus.com/bid/102367
BID 102367 Linux Kernel 'net/netfilter/xt_TCPMSS.c' Denial of Service Vulnerability Release Date:2018-05-02
https://access.redhat.com/errata/RHSA-2018:0676
REDHAT RHSA-2018:0676
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 CONFIRM
https://access.redhat.com/errata/RHSA-2018:1130
REDHAT RHSA-2018:1130
https://github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f4925cb3f081901
https://access.redhat.com/errata/RHSA-2018:1319
REDHAT RHSA-2018:1319
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901
https://usn.ubuntu.com/3583-2/
UBUNTU USN-3583-2

- Metasploit Modules Related To CVE-2017-18017

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


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