Medium: zziplib

Issue Overview:

It was discovered that zziplib is vulnerable to a directory traversal flaw in most of its unzip binaries, including unzip-mem, unzzipcat-mem, unzzipcat-big, unzzipcat-mix, and unzzipcat-zip. An attacker may use this flaw to write files outside the intended target directory, overwriting existing files, or creating new ones. (CVE-2018-17828)

Affected Packages:

zziplib

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 zziplib to update your system.

New Packages:

aarch64:  
    zziplib-0.13.62-12.amzn2.aarch64  
    zziplib-utils-0.13.62-12.amzn2.aarch64  
    zziplib-devel-0.13.62-12.amzn2.aarch64  
    zziplib-debuginfo-0.13.62-12.amzn2.aarch64  
  
i686:  
    zziplib-0.13.62-12.amzn2.i686  
    zziplib-utils-0.13.62-12.amzn2.i686  
    zziplib-devel-0.13.62-12.amzn2.i686  
    zziplib-debuginfo-0.13.62-12.amzn2.i686  
  
src:  
    zziplib-0.13.62-12.amzn2.src  
  
x86_64:  
    zziplib-0.13.62-12.amzn2.x86_64  
    zziplib-utils-0.13.62-12.amzn2.x86_64  
    zziplib-devel-0.13.62-12.amzn2.x86_64  
    zziplib-debuginfo-0.13.62-12.amzn2.x86_64  

Additional References

Red Hat: CVE-2018-17828

Mitre: CVE-2018-17828