CVE-2018-16864
Publication date 11 January 2019
Last updated 24 July 2024
Ubuntu priority
An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges. Versions through v240 are vulnerable.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| systemd | ||
| 18.04 LTS bionic |
Fixed 237-3ubuntu10.11
|
|
| 16.04 LTS xenial |
Fixed 229-4ubuntu21.15
|
|
| 14.04 LTS trusty |
Not affected
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3855-1
- systemd vulnerabilities
- 11 January 2019