Low: zziplib

Issue Overview:

An improper input validation was found in function __zzip_fetch_disk_trailer of ZZIPlib, up to 0.13.68, that could lead to a crash in __zzip_parse_root_directory function of zzip/ip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.(CVE-2018-7726)

A memory leak was found in unzip-mem.c and unzzip-mem.c of ZZIPlib, up to v0.13.68, that could lead to resource exhaustion. Local attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.(CVE-2018-7727)

An out of bounds read was found in function zzip_disk_fread of ZZIPlib, up to 0.13.68, when ZZIPlib mem_disk functionality is used. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.(CVE-2018-7725)

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-0.13.62-9.amzn2.aarch64  
    zziplib-utils-0.13.62-9.amzn2.aarch64  
    zziplib-devel-0.13.62-9.amzn2.aarch64  
    zziplib-debuginfo-0.13.62-9.amzn2.aarch64  
  
i686:  
    zziplib-0.13.62-9.amzn2.i686  
    zziplib-utils-0.13.62-9.amzn2.i686  
    zziplib-devel-0.13.62-9.amzn2.i686  
    zziplib-debuginfo-0.13.62-9.amzn2.i686  
  
src:  
    zziplib-0.13.62-9.amzn2.src  
  
x86_64:  
    zziplib-0.13.62-9.amzn2.x86_64  
    zziplib-utils-0.13.62-9.amzn2.x86_64  
    zziplib-devel-0.13.62-9.amzn2.x86_64  
    zziplib-debuginfo-0.13.62-9.amzn2.x86_64  

Additional References

Red Hat: CVE-2018-7725, CVE-2018-7726, CVE-2018-7727

Mitre: CVE-2018-7725, CVE-2018-7726, CVE-2018-7727