| Name | CVE-2016-7798 |
| Description | The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1421-1, DSA-3966-1 |
| Debian Bugs | 842432, 842544 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ruby-attr-encrypted (PTS) | stretch | 3.0.1-2 | fixed |
| bullseye | 3.1.0-3 | fixed |
| bookworm | 3.1.0-4 | fixed |
| sid, trixie | 4.1.0-1 | fixed |
| ruby-encryptor (PTS) | stretch | 3.0.0-1+deb9u1 | fixed |
| sid, trixie, buster, bullseye, bookworm | 3.0.0-2 | fixed |
| ruby2.1 (PTS) | jessie, jessie (lts) | 2.1.5-2+deb8u14 | fixed |
| ruby2.3 (PTS) | stretch (security) | 2.3.3-1+deb9u11 | fixed |
| stretch (lts), stretch | 2.3.3-1+deb9u12 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/ruby/openssl/issues/49
https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062
https://github.com/attr-encrypted/attr_encrypted/issues/203
https://github.com/attr-encrypted/encryptor/pull/22