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cve[email protected]CVE-2018-14641
HistorySep 18, 2018 - 1:29 p.m.

CVE-2018-14641

2018-09-1813:29:00
CWE-456
CWE-20
web.nvd.nist.gov
55
cve-2018-14641
linux kernel
ip_frag_reasm()
remote denial-of-service
nvd
security flaw
net/ipv4/ip_fragment.c

7.1 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.7%

A security flaw was found in the ip_frag_reasm() function in net/ipv4/ip_fragment.c in the Linux kernel from 4.19-rc1 to 4.19-rc3 inclusive, which can cause a later system crash in ip_do_fragment(). With certain non-default, but non-rare, configuration of a victim host, an attacker can trigger this crash remotely, thus leading to a remote denial-of-service.

Affected configurations

Vulners
NVD
Node
linuxlinux_kernelRange4.194.19
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "The Linux Foundation",
    "versions": [
      {
        "status": "affected",
        "version": "from 4.19-rc1 to 4.19-rc3 inclusive"
      }
    ]
  }
]

7.1 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.7%