CVE-2023-3036

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Source

https://cve.org/CVERecord?id=CVE-2023-3036

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3036.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2023-3036

Aliases

GHSA-pwx6-gw47-96cp

Published

2023-06-14T11:08:08Z

Modified

2026-10-28T02:30:31Z

Severity

8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H CVSS Calculator

Summary

Out of Bounds Slice index in cfnts leads to remote panic

Details

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

Database specific

{
    "cna_assigner": "cloudflare",
    "cwe_ids": [
        "CWE-119",
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3036.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "fixed": "< 783490b"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/cloudflare/cfnts

Affected ranges

Type

GIT

Repo

https://github.com/cloudflare/cfnts

Events

Introduced

Fixed

783490b

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "783490b"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3036.json"