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[email protected]CVE-2019-19941

HistoryMar 16, 2020 - 4:15 p.m.

CVE-2019-19941

2020-03-1616:15:12

CWE-79

[email protected]

web.nvd.nist.gov

cve-2019-19941

hostname validation

swisscom centro grande

router security

remote attack

local ip address injection

dns service

crafted hostnames

dhcp requests

xss

nvd

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

31.2%

JSON

Missing hostname validation in Swisscom Centro Grande before 6.16.12 allows a remote attacker to inject its local IP address as a domain entry in the DNS service of the router via crafted hostnames in DHCP requests, causing XSS.

Affected configurations

NVD

Node

swisscomcentro_grande_firmwareRange<6.14.06

AND

swisscomcentro_grandeMatch-

References

www.swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2019-19940ff.txt

www.swisscom.ch/en/residential/help/device/internet-router.html

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

31.2%

JSON

Related for CVE-2019-19941

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