Executive Summary
| Summary | |
|---|---|
| Title | systemd regression |
| Informations | |||
|---|---|---|---|
| Name | USN-3816-3 | First vendor Publication | 2018-11-27 |
| Vendor | Ubuntu | Last vendor Modification | 2018-11-27 |
| Severity (Vendor) | N/A | Revision | N/A |
Security-Database Scoring CVSS v3
| Cvss vector : N/A | |||
|---|---|---|---|
| Overall CVSS Score | NA | ||
| Base Score | NA | Environmental Score | NA |
| impact SubScore | NA | Temporal Score | NA |
| Exploitabality Sub Score | NA | ||
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 10 | Attack Range | Network |
| Cvss Impact Score | 10 | Attack Complexity | Low |
| Cvss Expoit Score | 10 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS Summary: USN-3816-1 caused a regression in systemd-tmpfiles. Software Description: - systemd: system and service manager Details: USN-3816-1 fixed vulnerabilities in systemd. The fix for CVE-2018-6954 caused a regression in systemd-tmpfiles when running Ubuntu inside a container on some older kernels. This issue only affected Ubuntu 16.04 LTS. In order to continue to support this configuration, the fixes for CVE-2018-6954 have been reverted. We apologize for the inconvenience. Original advisory details: ﾃつ Jann Horn discovered that unit_deserialize incorrectly handled status messages ﾃつ above a certain length. A local attacker could potentially exploit this via ﾃつ NotifyAccess to inject arbitrary state across re-execution and obtain root ﾃつ privileges. (CVE-2018-15686) ﾃつ ﾃつ Jann Horn discovered a race condition in chown_one(). A local attacker ﾃつ could potentially exploit this by setting arbitrary permissions on certain ﾃつ files to obtain root privileges. This issue only affected Ubuntu 18.04 LTS ﾃつ and Ubuntu 18.10. (CVE-2018-15687) ﾃつ ﾃつ It was discovered that systemd-tmpfiles mishandled symlinks in ﾃつ non-terminal path components. A local attacker could potentially exploit ﾃつ this by gaining ownership of certain files to obtain root privileges. This ﾃつ issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-6954) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: ﾃつ systemdﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 229-4ubuntu21.10 After a standard system update you need to reboot your computer to make all the necessary changes. References: ﾃつ https://usn.ubuntu.com/usn/usn-3816-3 ﾃつ https://usn.ubuntu.com/usn/usn-3816-1 ﾃつ https://launchpad.net/bugs/1804847 Package Information: ﾃつ https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu21.10 |
Original Source
| Url : http://www.ubuntu.com/usn/USN-3816-3 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 33 % | CWE-502 | Deserialization of Untrusted Data |
| 33 % | CWE-362 | Race Condition |
| 33 % | CWE-59 | Improper Link Resolution Before File Access ('Link Following') |
CPE : Common Platform Enumeration
Nessusﾂｮ Vulnerability Scanner
| Date | Description |
|---|---|
| 2019-01-03 | Name : The remote Fedora host is missing a security update. File : fedora_2018-24bd6c9d4a.nasl - Type : ACT_GATHER_INFO |
| 2019-01-03 | Name : The remote Fedora host is missing a security update. File : fedora_2018-c402eea18b.nasl - Type : ACT_GATHER_INFO |
| 2018-11-20 | Name : The remote Debian host is missing a security update. File : debian_DLA-1580.nasl - Type : ACT_GATHER_INFO |
| 2018-10-31 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201810-10.nasl - Type : ACT_GATHER_INFO |
Alert History
| Date | Informations |
|---|---|
| 2018-12-10 21:21:42 |
|
| 2018-11-27 21:20:08 |
|
