CVE-2021-47154

EUVD-2021-33802
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CISA-ADPADP
6.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Debian logo
Debian Releases
Debian Product
Codename
libnet-cidr-lite-perl
bookworm
0.22-2
fixed
bullseye
0.22-1
fixed
sid
0.22-2
fixed
trixie
0.22-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libnet-cidr-lite-perl
bionic
needs-triage
focal
Fixed 0.21-2ubuntu0.1
released
jammy
not-affected
mantic
not-affected
noble
not-affected
xenial
needs-triage
References
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://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