The SingleDocParser::HandleFlowMap function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-20574 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mongodb32-yaml-cpp | Under investigation |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mongodb34-yaml-cpp | Under investigation |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mongodb36-yaml-cpp | Under investigation |
| Red Hat Satellite 6 | yaml-cpp | Under investigation |
| Red Hat OpenStack Platform 9.0 | yaml-cpp | Under investigation |
| Red Hat OpenStack Platform 8.0 (Liberty) | yaml-cpp | Under investigation |
| Red Hat OpenStack Platform 14 | yaml-cpp | Under investigation |
| Red Hat OpenStack Platform 13.0 (Queens) | yaml-cpp | Under investigation |
| Red Hat OpenStack Platform 10 | yaml-cpp | Under investigation |
Vulmon