The Scanner::EnsureTokensInQueue 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-2018-20573 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 |