PT-2024-11203 · Unknown+1 · Net::Ipv4Addr+1

CVE-2021-47155 · Published 2024-03-17 · Updated 2024-08-29

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Net::IPV4Addr module version 0.10 for Perl

Description The issue arises from the Net::IPV4Addr module's improper handling of extraneous zero characters in IP address strings. This can lead to the bypassing of access control mechanisms that rely on IP addresses.

Recommendations For Net::IPV4Addr module version 0.10, consider updating to a newer version that properly handles IP address strings to prevent access control bypass.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2021-47155

Affected Products

Debian

Net::Ipv4Addr

References · 11

• https://ubuntu.com/security/CVE-2021-47155 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47155 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47155 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47155 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47155 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47155 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47155 · Security Note
• https://t.me/cvenotify/74123 · Telegram Post
• https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/#net-ipv4addrhttpsmetacpanorgreleasenet-ipv4addr · Note
• https://metacpan.org/release/Net-IPv4Addr · Note
• https://twitter.com/CVEnew/status/1769587701781790997 · Twitter Post