An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-16396 from the MITRE CVE dictionary dictionary and NIST NVD.
Subscription Asset Manager is now in a reduced support phase receiving only Critical impact security fixes. This issue has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates.
Red Hat Virtualization includes a vulnerable version of ruby, however the affected functionality is not used in Red Hat Virtualization or any of its dependencies. A future update may address this issue.
| CVSS3 Base Score | 5.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | High |
| Availability Impact | None |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-ruby24-ruby) | RHSA-2018:3730 | 2018-11-29 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-ruby23-ruby) | RHSA-2018:3729 | 2018-11-29 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-ruby23-ruby) | RHSA-2018:3729 | 2018-11-29 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-ruby24-ruby) | RHSA-2018:3730 | 2018-11-29 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-ruby25-ruby) | RHSA-2018:3731 | 2018-11-29 |
| Platform | Package | State |
|---|---|---|
| Red Hat Virtualization 4 | ruby | Will not fix |
| Red Hat Subscription Asset Manager 1 | ruby193 | Will not fix |
| Red Hat Enterprise Linux 7 | ruby | Affected |
| Red Hat Enterprise Linux 6 | ruby | Will not fix |
| Red Hat Enterprise Linux 5 | ruby | Will not fix |
Vulmon