VDB
CVE-2018-6557
CVE-2018-6557
PUBLISHED
CVSS 7 HIGH
The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before 10.1ubuntu6 incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.
EPSS 0.37% · 29.5th percentile
Risk Scores
CVSS 3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.37%
29.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | base-files | 9.6ubuntu102, 10.1ubuntu1, 10.1ubuntu2 |
Timeline
- Aug 21, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
- Jan 9, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-6557 third-party-advisory
- http://www.sbosnet.nl/ third-party-advisory
- https://ubuntu.com/security/notices/USN-3748-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-6557 third-party-advisory