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[email protected]NVD:CVE-2018-9129

HistoryAug 15, 2018 - 6:29 p.m.

CVE-2018-9129

2018-08-1518:29:01

[email protected]

web.nvd.nist.gov

4.3 Medium

CVSS2

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

51.0%

JSON

ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.

Affected configurations

NVD

Node

zyxelzywall_110_firmwareMatch-

AND

zyxelzywall_110Match-

Node

zyxelzywall_1100Match-

AND

zyxelzywall_1100_firmwareMatch-

Node

zyxelzywall_310Match-

AND

zyxelzywall_310_firmwareMatch-

Node

zyxelzywall_vpn_50Match-

AND

zyxelzywall_vpn_50_firmwareMatch-

Node

zyxelzywall_vpn_100_firmwareMatch-

AND

zyxelzywall_vpn_100Match-

Node

zyxelzywall_vpn_300_firmwareMatch-

AND

zyxelzywall_vpn_300Match-

Node

zyxelusg_20w_firmwareMatch-

AND

zyxelusg_20wMatch-

Node

zyxelusg_40_firmwareMatch-

AND

zyxelusg_40Match-

Node

zyxelusg_40w_firmwareMatch-

AND

zyxelusg_40wMatch-

Node

zyxelusg_60_firmwareMatch-

AND

zyxelusg_60Match-

Node

zyxelusg_60wMatch-

AND

zyxelusg_60w_firmwareMatch-

Node

zyxelusg_110Match-

AND

zyxelusg_110_firmwareMatch-

Node

zyxelusg_2200-vpnMatch-

AND

zyxelusg_2200-vpn_firmwareMatch-

Node

zyxelusg_310Match-

AND

zyxelusg_310_firmwareMatch-

Node

zyxelusg_1100_firmwareMatch-

AND

zyxelusg_1100Match-

Node

zyxelusg_1900_firmwareMatch-

AND

zyxelusg_1900Match-

Node

zyxelusg_20w-vpnMatch-

AND

zyxelusg_20w-vpn_firmwareMatch-

References

ftp://ftp.zyxel.com/USG110/firmware/USG110_4.32%28AAPH.0%29C0_2.pdf

web-in-security.blogspot.com/2018/08/practical-bleichenbacher-attacks-on-ipsec-ike.html

www.zyxel.com/support/bleichenbacher_attack_vulnerability.shtml

4.3 Medium

CVSS2

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

51.0%

JSON

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