CVE-2021-47154 - Vulnerability Details - OpenCVE

The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc
https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html
https://metacpan.org/dist/Net-CIDR-Lite/changes
https://metacpan.org/pod/Net::CIDR::Lite
https://nvd.nist.gov/vuln/detail/CVE-2021-47154
https://www.cve.org/CVERecord?id=CVE-2021-47154

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-03-18T00:00:00

Updated: 2024-11-15T21:46:52.681Z

Reserved: 2024-03-18T00:00:00

Link: CVE-2021-47154

Vulnrichment

Updated: 2024-08-04T05:24:39.883Z

NVD

Status : Awaiting Analysis

Published: 2024-03-18T05:15:06.140

Modified: 2024-11-21T06:35:30.437

Link: CVE-2021-47154

Redhat

Severity : Moderate

Publid Date: 2024-03-18T00:00:00Z

Links: CVE-2021-47154 - Bugzilla

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-47154", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-11-15T21:46:52.681Z", "dateReserved": "2024-03-18T00:00:00", "datePublished": "2024-03-18T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-03-23T17:06:00.313674"}, "descriptions": [{"lang": "en", "value": "The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/"}, {"url": "https://metacpan.org/pod/Net::CIDR::Lite"}, {"url": "https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc"}, {"url": "https://metacpan.org/dist/Net-CIDR-Lite/changes"}, {"name": "[debian-lts-announce] 20240323 [SECURITY] [DLA 3770-1] libnet-cidr-lite-perl security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-07-17T18:29:35.804190Z", "id": "CVE-2021-47154", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-15T21:46:52.681Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.883Z"}, "title": "CVE Program Container", "references": [{"url": "https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/", "tags": ["x_transferred"]}, {"url": "https://metacpan.org/pod/Net::CIDR::Lite", "tags": ["x_transferred"]}, {"url": "https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc", "tags": ["x_transferred"]}, {"url": "https://metacpan.org/dist/Net-CIDR-Lite/changes", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20240323 [SECURITY] [DLA 3770-1] libnet-cidr-lite-perl security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html"}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/", "tags": ["x_transferred"]}, {"url": "https://metacpan.org/pod/Net::CIDR::Lite", "tags": ["x_transferred"]}, {"url": "https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc", "tags": ["x_transferred"]}, {"url": "https://metacpan.org/dist/Net-CIDR-Lite/changes", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html", "name": "[debian-lts-announce] 20240323 [SECURITY] [DLA 3770-1] libnet-cidr-lite-perl security update", "tags": ["mailing-list", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.883Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-47154", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-07-17T18:29:35.804190Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-17T18:29:39.579Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/"}, {"url": "https://metacpan.org/pod/Net::CIDR::Lite"}, {"url": "https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc"}, {"url": "https://metacpan.org/dist/Net-CIDR-Lite/changes"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html", "name": "[debian-lts-announce] 20240323 [SECURITY] [DLA 3770-1] libnet-cidr-lite-perl security update", "tags": ["mailing-list"]}], "descriptions": [{"lang": "en", "value": "The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-03-23T17:06:00.313674"}}}, "cveMetadata": {"cveId": "CVE-2021-47154", "state": "PUBLISHED", "dateUpdated": "2024-11-15T21:46:52.681Z", "dateReserved": "2024-03-18T00:00:00", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-03-18T00:00:00", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses."}, {"lang": "es", "value": "El m\u00f3dulo Net::CIDR::Lite anterior a 0.22 para Perl no considera adecuadamente los caracteres cero extra\u00f1os al comienzo de una cadena de direcci\u00f3n IP, lo que (en algunas situaciones) permite a los atacantes eludir el control de acceso basado en direcciones IP."}], "id": "CVE-2021-47154", "lastModified": "2024-11-21T06:35:30.437", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-03-18T05:15:06.140", "references": [{"source": "cve@mitre.org", "url": "https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/"}, {"source": "cve@mitre.org", "url": "https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html"}, {"source": "cve@mitre.org", "url": "https://metacpan.org/dist/Net-CIDR-Lite/changes"}, {"source": "cve@mitre.org", "url": "https://metacpan.org/pod/Net::CIDR::Lite"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://metacpan.org/dist/Net-CIDR-Lite/changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://metacpan.org/pod/Net::CIDR::Lite"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis"}