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nvd[email protected]NVD:CVE-2023-3036
HistoryJun 14, 2023 - 12:15 p.m.

CVE-2023-3036

2023-06-1412:15:09
CWE-125
CWE-119
web.nvd.nist.gov
1
ntp server
github.com/cloudflare/cfnts
remote attacker
panic
ntsauthenticator packet

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.002

Percentile

52.5%

An unchecked read in NTP server in github.com/cloudflare/cfnts prior to commit 783490b https://github.com/cloudflare/cfnts/commit/783490b913f05e508a492cd7b02e3c4ec2297b71 Β enabled a remote attacker to trigger a panic by sending an NTSAuthenticator packet with extension length longer than the packet contents.

Affected configurations

Nvd
Node
cloudflarecfntsRange<2023-06-01rust
VendorProductVersionCPE
cloudflarecfnts*cpe:2.3:a:cloudflare:cfnts:*:*:*:*:*:rust:*:*

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.002

Percentile

52.5%

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