CVE-2018-5391 Detail

Current Description

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-004.txt Third Party Advisory 
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-linux-en
http://www.openwall.com/lists/oss-security/2019/06/28/2
http://www.openwall.com/lists/oss-security/2019/07/06/3
http://www.openwall.com/lists/oss-security/2019/07/06/4
http://www.securityfocus.com/bid/105108 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1041476 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1041637 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2018:2785 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2791 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2846 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2924 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2925 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2933 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:3459 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:3540 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:3586 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:3590 Third Party Advisory 
https://cert-portal.siemens.com/productcert/pdf/ssa-377115.pdf
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=c30f1fc041b74ecdb072dd44f858750414b8b19f Patch  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html Mailing List  Mitigation  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://security.netapp.com/advisory/ntap-20181003-0002/ Third Party Advisory 
https://support.f5.com/csp/article/K74374841?utm_source=f5support&utm_medium=RSS
https://usn.ubuntu.com/3740-1/ Third Party Advisory 
https://usn.ubuntu.com/3740-2/ Third Party Advisory 
https://usn.ubuntu.com/3741-1/ Third Party Advisory 
https://usn.ubuntu.com/3741-2/ Third Party Advisory 
https://usn.ubuntu.com/3742-1/ Third Party Advisory 
https://usn.ubuntu.com/3742-2/ Third Party Advisory 
https://www.debian.org/security/2018/dsa-4272 Mitigation  Third Party Advisory 
https://www.kb.cert.org/vuls/id/641765 Third Party Advisory  US Government Resource 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation cwe source acceptance level NIST  
CWE-400 Uncontrolled Resource Consumption Reference acceptance level CERT/CC  

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Change History

17 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-5391
NVD Published Date:
09/06/2018
NVD Last Modified:
03/21/2019
Source:
MITRE