PT-2017-9351 · Openssl+2 · Openssl+2

Boramao · Published 2016-10-13 · Updated 2020-11-05 · CVE-2016-7798

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions openssl gem for Ruby (affected versions not specified)

Description The issue arises when the initialization vector (IV) is set before the key in GCM Mode (aes-*-gcm), allowing context-dependent attackers to bypass the encryption protection mechanism. This makes it easier for attackers to exploit the situation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Inadequate Encryption Strength

Weakness Enumeration

CWE-326

Related Identifiers

CVE-2016-7798

DLA-1421-1

DSA-3966-1

GHSA-6H88-QJPV-P32M

MGASA-2016-0342

SUSE-SU-2020:1570-1

SUSE-SU-2020_1570-1

USN-3365-1

Affected Products

Suse

Ubuntu

Openssl

References · 121

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/openssl/CVE-2016-7798.yml · Exploit
• 🔥 https://github.com/ruby/openssl/issues/49 · Exploit
• 🔥 https://github.com/rails-lts/json_cve_2020_10663 · Exploit
• https://github.com/ruby/openssl/commit/8108e0a6db133f3375608303fdd2083eb5115062 · Patch
• https://ubuntu.com/security/CVE-2015-9096 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-6h88-qjpv-p32m · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7798 · Security Note
• https://osv.dev/vulnerability/DLA-1421-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:1570-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-7551 · Vendor Advisory
• http://openwall.com/lists/oss-security/2016/09/30/6 · Patch
• https://debian.org/security/2017/dsa-3966 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-7798 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3365-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2009-5147 · Vendor Advisory