RubySec

Providing security resources for the Ruby community

CVE-2019-16892 (rubyzip): Denial of Service in rubyzip ("zip bombs")

Denial of Service in rubyzip ("zip bombs")

Published: September 12, 2019

SECURITY IDENTIFIERS

GEM

rubyzip

SEVERITY

CVSS v3.x: 5.5 (Medium)

PATCHED VERSIONS

>= 1.3.0

DESCRIPTION

In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can be spoofed. This allows attackers to cause a denial of service (disk consumption).