The SingleDocParser::HandleNode function in yaml-cpp (aka LibYaml-C++) 0.5.3 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-2017-5950 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 | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| 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 | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mongodb26-yaml-cpp | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mongodb30upg-yaml-cpp | Will not fix |
| Red Hat Satellite 6 | yaml-cpp | Will not fix |
| Red Hat OpenStack Platform 9.0 | yaml-cpp | Will not fix |
| Red Hat OpenStack Platform 8.0 (Liberty) | yaml-cpp | Will not fix |
| Red Hat OpenStack Platform 11.0 (Ocata) | yaml-cpp | Will not fix |
| Red Hat OpenStack Platform 10 | yaml-cpp | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | yaml-cpp | Will not fix |
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