| 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) | jessie | 0.24-1 | vulnerable |
| buster, stretch | 0.27-1 | vulnerable |
| bullseye | 0.30-1 | fixed |
| sid, trixie, bookworm | 0.31-1 | fixed |
The information below is based on the following data on fixed versions.
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