Important: slapi-nis

Issue Overview:

A flaw was found in slapi-nis. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash the 389-ds-base directory server. The highest threat from this vulnerability is to system availability. (CVE-2021-3480)

Affected Packages:

slapi-nis

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update slapi-nis to update your system.

New Packages:

aarch64:  
    slapi-nis-0.56.5-4.amzn2.aarch64  
    slapi-nis-debuginfo-0.56.5-4.amzn2.aarch64  
  
i686:  
    slapi-nis-0.56.5-4.amzn2.i686  
    slapi-nis-debuginfo-0.56.5-4.amzn2.i686  
  
src:  
    slapi-nis-0.56.5-4.amzn2.src  
  
x86_64:  
    slapi-nis-0.56.5-4.amzn2.x86_64  
    slapi-nis-debuginfo-0.56.5-4.amzn2.x86_64  

Additional References

Red Hat: CVE-2021-3480

Mitre: CVE-2021-3480