In ncurses 6.1, there is a NULL pointer dereference at the function _nc_name_match that will lead to a denial of service attack.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-19217 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 | 4.7 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | ncurses | Will not fix |
| Red Hat Enterprise Linux 6 | ncurses | Will not fix |
| Red Hat Enterprise Linux 5 | ncurses | Will not fix |
Vulmon