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[email protected]NVD:CVE-2016-2774

HistoryMar 09, 2016 - 3:59 p.m.

CVE-2016-2774

2016-03-0915:59:00

CWE-20

[email protected]

web.nvd.nist.gov

CVSS2

7.1

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.9

Confidence

High

EPSS

0.922

Percentile

99.0%

JSON

ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.

Affected configurations

Nvd

Node

iscdhcpMatch4.1-esv-

iscdhcpMatch4.1-esvr1

iscdhcpMatch4.1-esvr10

iscdhcpMatch4.1-esvr10_b1

iscdhcpMatch4.1-esvr11_b1

iscdhcpMatch4.1-esvr11_rc1

iscdhcpMatch4.1-esvr11_rc2

iscdhcpMatch4.1-esvr12

iscdhcpMatch4.1-esvr12_b1

iscdhcpMatch4.1-esvr2

iscdhcpMatch4.1-esvr3

iscdhcpMatch4.1-esvr3_b1

iscdhcpMatch4.1-esvr4

iscdhcpMatch4.1-esvr5

iscdhcpMatch4.1-esvr5_b1

iscdhcpMatch4.1-esvr5_rc1

iscdhcpMatch4.1-esvr5_rc2

iscdhcpMatch4.1-esvr6

iscdhcpMatch4.1-esvr7

iscdhcpMatch4.1-esvr8

iscdhcpMatch4.1-esvr8_b1

iscdhcpMatch4.1-esvr8_rc1

iscdhcpMatch4.1-esvr9

iscdhcpMatch4.1-esvr9_b1

iscdhcpMatch4.1-esvr9_rc1

iscdhcpMatch4.1-esvrc1

iscdhcpMatch4.1.0-

iscdhcpMatch4.1.0a1

iscdhcpMatch4.1.0a2

iscdhcpMatch4.1.0b1

iscdhcpMatch4.1.1-

iscdhcpMatch4.1.1b1

iscdhcpMatch4.1.1b2

iscdhcpMatch4.1.1b3

iscdhcpMatch4.1.1p1

iscdhcpMatch4.1.1rc1

iscdhcpMatch4.1.2-

iscdhcpMatch4.1.2b1

iscdhcpMatch4.1.2p1

iscdhcpMatch4.1.2rc1

iscdhcpMatch4.2.0-

iscdhcpMatch4.2.0a1

iscdhcpMatch4.2.0a2

iscdhcpMatch4.2.0b1

iscdhcpMatch4.2.0b2

iscdhcpMatch4.2.0p1

iscdhcpMatch4.2.0p2

iscdhcpMatch4.2.0rc1

iscdhcpMatch4.2.1-

iscdhcpMatch4.2.1b1

iscdhcpMatch4.2.1p1

iscdhcpMatch4.2.1rc1

iscdhcpMatch4.2.2-

iscdhcpMatch4.2.2b1

iscdhcpMatch4.2.2rc1

iscdhcpMatch4.2.3-

iscdhcpMatch4.2.3p1

iscdhcpMatch4.2.3p2

iscdhcpMatch4.2.4-

iscdhcpMatch4.2.4b1

iscdhcpMatch4.2.4p1

iscdhcpMatch4.2.4p2

iscdhcpMatch4.2.4rc1

iscdhcpMatch4.2.4rc2

iscdhcpMatch4.2.5-

iscdhcpMatch4.2.5b1

iscdhcpMatch4.2.5p1

iscdhcpMatch4.2.5rc1

iscdhcpMatch4.2.6-

iscdhcpMatch4.2.6b1

iscdhcpMatch4.2.6rc1

iscdhcpMatch4.2.7-

iscdhcpMatch4.2.7b1

iscdhcpMatch4.2.7rc1

iscdhcpMatch4.2.8-

iscdhcpMatch4.2.8b1

iscdhcpMatch4.2.8rc1

iscdhcpMatch4.2.8rc2

iscdhcpMatch4.3.0-

iscdhcpMatch4.3.0a1

iscdhcpMatch4.3.0b1

iscdhcpMatch4.3.0rc1

iscdhcpMatch4.3.1-

iscdhcpMatch4.3.1b1

iscdhcpMatch4.3.1rc1

iscdhcpMatch4.3.2-

iscdhcpMatch4.3.2b1

iscdhcpMatch4.3.2rc1

iscdhcpMatch4.3.2rc2

iscdhcpMatch4.3.3-

iscdhcpMatch4.3.3b1

Node

debiandebian_linuxMatch8.0

Node

canonicalubuntu_linuxMatch14.04lts

canonicalubuntu_linuxMatch16.04lts

canonicalubuntu_linuxMatch17.10

VendorProductVersionCPE
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:*
iscdhcp4.1-esvcpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*

Vendor	Product	Version	CPE
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:-::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r1::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r10::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r12::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1::::::
isc	dhcp	4.1-esv	cpe:2.3:a:isc:dhcp:4.1-esv:r2::::::