[SECURITY] [DLA 3770-1] libnet-cidr-lite-perl security update
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Debian LTS Advisory DLA-3770-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Thorsten Alteholz
March 23, 2024 https://wiki.debian.org/LTS
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Package : libnet-cidr-lite-perl
Version : 0.21-2+debu10u1
CVE ID : CVE-2021-47154
An issue has been found in libnet-cidr-lite-perl, a module for merging
IPv4 or IPv6 CIDR address ranges.
Extraneous zero characters at the beginning of an IP address string
might allow attackers to bypass access control that is based on IP
addresses.
Please check your application whether it accidentally allows such leading
zero characters (that are normally meant to indicate octal numbers).
For Debian 10 buster, this problem has been fixed in version
0.21-2+debu10u1.
We recommend that you upgrade your libnet-cidr-lite-perl packages.
For the detailed security status of libnet-cidr-lite-perl please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libnet-cidr-lite-perl
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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