High severity7.5NVD Advisory· Published Jan 30, 2017· Updated Jun 17, 2026
CVE-2016-7798
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
opensslRubyGems | < 2.0.0 | 2.0.0 |
Affected products
25- ghsa-coords22 versionspkg:gem/opensslpkg:rpm/suse/ruby2.1&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/ruby2.1&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/ruby2.1&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/ruby2.1&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/ruby2.1&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/ruby2.1&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/yast2-ruby-bindings&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/yast2-ruby-bindings&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/yast2-ruby-bindings&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/yast2-ruby-bindings&distro=SUSE%20OpenStack%20Cloud%207
< 2.0.0+ 21 more
- (no CPE)range: < 2.0.0
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 2.1.9-19.3.2
- (no CPE)range: < 3.1.53-9.8.1
- (no CPE)range: < 3.1.53-9.8.1
- (no CPE)range: < 3.1.53-9.8.1
- (no CPE)range: < 3.1.53-9.8.1
Patches
Vulnerability mechanics
References
12- www.openwall.com/lists/oss-security/2016/09/30/6nvdMailing ListPatchThird Party AdvisoryWEB
- github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062nvdPatchThird Party AdvisoryWEB
- github.com/ruby/openssl/issues/49nvdExploitThird Party AdvisoryWEB
- www.openwall.com/lists/oss-security/2016/09/19/9nvdMailing ListThird Party AdvisoryWEB
- www.openwall.com/lists/oss-security/2016/10/01/2nvdMailing ListThird Party AdvisoryWEB
- www.securityfocus.com/bid/93031nvdThird Party AdvisoryVDB Entry
- github.com/advisories/GHSA-6h88-qjpv-p32mghsaADVISORY
- lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlnvdMailing ListThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2016-7798ghsaADVISORY
- www.debian.org/security/2017/dsa-3966nvdThird Party AdvisoryWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/openssl/CVE-2016-7798.ymlghsaWEB
- web.archive.org/web/20210121065227/https://www.securityfocus.com/bid/93031/infoghsaWEB
News mentions
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