CVE-2019-16892

NameCVE-2019-16892
DescriptionIn 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).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: remote)
Debian Bugs941222

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ruby-zip (PTS)jessie1.1.6-1+deb8u1vulnerable
jessie (security)1.1.6-1+deb8u2vulnerable
stretch1.2.0-1.1vulnerable
bullseye, sid, buster1.2.2-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby-zipsource(unstable)(unfixed)low941222

Notes

[buster] - ruby-zip <no-dsa> (Minor issue)
[stretch] - ruby-zip <no-dsa> (Minor issue)
[jessie] - ruby-zip <postponed> (Minor issue, zip bomb non-default mitigation)
https://github.com/rubyzip/rubyzip/pull/403
https://github.com/rubyzip/rubyzip/commit/4167f0ce67e42b082605bca75c7bdfd01eb23804
https://github.com/rubyzip/rubyzip/commit/7849f7362ab0cd23d5730ef8b6f2c39252da2285
https://github.com/rubyzip/rubyzip/commit/97cb6aefe6d12bd2429d7a2e119ccb26f259d71d

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