# Security update for perl-Net-CIDR-Lite

Announcement ID: SUSE-SU-2024:1256-1  
Rating: moderate  
References:

  * bsc#1221564

  
Cross-References:

  * CVE-2021-47154

  
CVSS scores:

  * CVE-2021-47154 ( SUSE ):  6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

  
Affected Products:

  * Development Tools Module 15-SP5
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for perl-Net-CIDR-Lite fixes the following issues:

  * CVE-2021-47154: Fixed leading zeroes in IPv4 octets may allow attackers to
    bypass certain access controls (bsc#1221564).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.5  
    zypper in -t patch openSUSE-SLE-15.5-2024-1256=1

  * Development Tools Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2024-1256=1

## Package List:

  * openSUSE Leap 15.5 (noarch)
    * perl-Net-CIDR-Lite-0.21-150100.6.3.1
  * Development Tools Module 15-SP5 (noarch)
    * perl-Net-CIDR-Lite-0.21-150100.6.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-47154.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1221564