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nvd[email protected]NVD:CVE-2020-28041
HistoryNov 02, 2020 - 9:15 p.m.

CVE-2020-28041

2020-11-0221:15:31
CWE-276
web.nvd.nist.gov
4
sip alg
netgear nighthawk r7000
nat slipstreaming
remote attackers
tcp
udp
intranet
web browser

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.6

Confidence

High

EPSS

0.096

Percentile

94.8%

The SIP ALG implementation on NETGEAR Nighthawk R7000 1.0.9.64_10.2.64 devices allows remote attackers to communicate with arbitrary TCP and UDP services on a victim’s intranet machine, if the victim visits an attacker-controlled web site with a modern browser, aka NAT Slipstreaming. This occurs because the ALG takes action based on an IP packet with an initial REGISTER substring in the TCP data, and the correct intranet IP address in the subsequent Via header, without properly considering that connection progress and fragmentation affect the meaning of the packet data.

Affected configurations

Nvd
Node
netgearnighthawk_r7000_firmwareMatch1.0.9.64_10.2.64
AND
netgearnighthawk_r7000Match-
VendorProductVersionCPE
netgearnighthawk_r7000_firmware1.0.9.64_10.2.64cpe:2.3:o:netgear:nighthawk_r7000_firmware:1.0.9.64_10.2.64:*:*:*:*:*:*:*
netgearnighthawk_r7000-cpe:2.3:h:netgear:nighthawk_r7000:-:*:*:*:*:*:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.6

Confidence

High

EPSS

0.096

Percentile

94.8%

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