Vulnerability Report

CVE-2017-18017

Title: F5 Arx Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-18017.

CWE Category CWE-416
Published Date Jan 03, 2018
Modified Date Jan 03, 2025
Exploit Status Not Found
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
34.31%

Vulnerability Summary

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.

Impacted Vendors

Reference Links

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901 http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00013.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00038.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00030.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00067.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00072.html http://lists.opensuse.org/opensuse-security-announce/2018-04/msg00014.html http://patchwork.ozlabs.org/patch/746618/ http://www.securityfocus.com/bid/102367 http://www.ubuntu.com/usn/USN-3583-1 http://www.ubuntu.com/usn/USN-3583-2 https://access.redhat.com/errata/RHSA-2018:0676 https://access.redhat.com/errata/RHSA-2018:1062 https://access.redhat.com/errata/RHSA-2018:1130 https://access.redhat.com/errata/RHSA-2018:1170 https://access.redhat.com/errata/RHSA-2018:1319 https://access.redhat.com/errata/RHSA-2018:1737 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765 https://github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f4925cb3f081901 https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html https://lkml.org/lkml/2017/4/2/13 https://support.f5.com/csp/article/K18352029 https://usn.ubuntu.com/3583-1/ https://usn.ubuntu.com/3583-2/ https://www.arista.com/en/support/advisories-notices/security-advisories/4577-security-advisory-34 https://www.debian.org/security/2018/dsa-4187 https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901 http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00013.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00038.html http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00030.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00067.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00072.html http://lists.opensuse.org/opensuse-security-announce/2018-04/msg00014.html http://patchwork.ozlabs.org/patch/746618/ http://www.securityfocus.com/bid/102367 http://www.ubuntu.com/usn/USN-3583-1 http://www.ubuntu.com/usn/USN-3583-2 https://access.redhat.com/errata/RHSA-2018:0676 https://access.redhat.com/errata/RHSA-2018:1062 https://access.redhat.com/errata/RHSA-2018:1130 https://access.redhat.com/errata/RHSA-2018:1170 https://access.redhat.com/errata/RHSA-2018:1319 https://access.redhat.com/errata/RHSA-2018:1737 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765 https://github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f4925cb3f081901 https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html https://lkml.org/lkml/2017/4/2/13 https://security.netapp.com/advisory/ntap-20250103-0010/ https://support.f5.com/csp/article/K18352029 https://usn.ubuntu.com/3583-1/ https://usn.ubuntu.com/3583-2/ https://www.arista.com/en/support/advisories-notices/security-advisories/4577-security-advisory-34 https://www.debian.org/security/2018/dsa-4187 https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
10.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-18017 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.