| Name | CVE-2019-16892 |
| 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). |
| Source | CVE (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 severity | high (attack range: remote) |
| Debian Bugs | 941222 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ruby-zip (PTS) | jessie | 1.1.6-1+deb8u1 | vulnerable |
| jessie (security) | 1.1.6-1+deb8u2 | vulnerable | |
| stretch | 1.2.0-1.1 | vulnerable | |
| bullseye, sid, buster | 1.2.2-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ruby-zip | source | (unstable) | (unfixed) | low | 941222 |
[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