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Ubuntu.comUB:CVE-2018-18439

HistoryNov 20, 2018 - 12:00 a.m.

CVE-2018-18439

2018-11-2000:00:00

ubuntu.com

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.004 Low

EPSS

Percentile

73.3%

JSON

DENX U-Boot through 2018.09-rc1 has a remotely exploitable buffer overflow
via a malicious TFTP server because TFTP traffic is mishandled. Also, local
exploitation can occur via a crafted kernel image.

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchu-boot< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	u-boot	< any	UNKNOWN

References

launchpad.net/bugs/cve/CVE-2018-18439

nvd.nist.gov/vuln/detail/CVE-2018-18439

security-tracker.debian.org/tracker/CVE-2018-18439

www.cve.org/CVERecord?id=CVE-2018-18439

www.openwall.com/lists/oss-security/2018/11/02/2

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.004 Low

EPSS

Percentile

73.3%

JSON

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