CVE-2021-29662

Name	CVE-2021-29662
Description	The Data::Validate::IP module through 0.29 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libdata-validate-ip-perl (PTS)	bullseye	0.30-1	fixed
	sid, trixie, bookworm	0.31-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libdata-validate-ip-perl	source	(unstable)	0.30-1	unimportant

Notes

Documentation update: https://github.com/houseabsolute/Data-Validate-IP/commit/3bba13c819d616514a75e089badd75002fd4f14e
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
Upstream only clarifies how to properly use the module with a documentation update