Net::IPV4Addr 0.10 on Perl IP Address String access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Net::IPV4Addr 0.10 on Perl. The affected element is an unknown function of the component IP Address String Handler. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2021-47155. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Net::IPV4Addr 0.10 on Perl and classified as critical. This vulnerability affects some unknown functionality of the component IP Address String Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Net::IPV4Addr module 0.10 for Perl does not properly consider extraneous zero characters in an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.

The advisory is available at blog.urth.org. This vulnerability was named CVE-2021-47155 since 03/18/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at blog.urth.org.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: blog.urth.org

Timelineinfo

03/18/2024 🔍
03/18/2024 +0 days 🔍
03/18/2024 +0 days 🔍
08/30/2024 +165 days 🔍

Sourcesinfo

Advisory: blog.urth.org
Status: Confirmed

CVE: CVE-2021-47155 (🔍)
GCVE (CVE): GCVE-0-2021-47155
GCVE (VulDB): GCVE-100-257098

Entryinfo

Created: 03/18/2024 07:53
Updated: 08/30/2024 11:40
Changes: 03/18/2024 07:53 (54), 08/30/2024 11:40 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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