CVE-2016-7798
HIGH
7.5
CVSS Score
Published: January 30, 2017 at 10:00 PM UTC
Updated: June 17, 2026 at 12:53 AM UTC
2 products affected across 2 vendorsDebian LinuxOpenSSL
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%OpenSSL· Ruby Langrubygems
95%v < 2.0.0
Affected range stops below 2.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (8)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/09/19/9Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/09/30/6Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/10/01/2VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/93031x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062x_refsource_CONFIRMExploitThird Party Advisory
Source: [email protected]
https://github.com/ruby/openssl/issues/49Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlVendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2017/dsa-3966CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-326
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