CVE-2018-1123
Due to incorrect accounting when decoding and escaping Unicode data in procfs, ps is vulnerable to overflowing an mmap()ed region when formatting the process list for display. Since ps maps a guard page at the end of the buffer, impact is limited to a crash.
Find out more about CVE-2018-1123 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 3.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | Low |
| Availability Impact | Low |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | procps-ng | Affected |
| Red Hat Enterprise Linux 6 | procps | Affected |
| Red Hat Enterprise Linux 5 | procps | Will not fix |