Executive Summary

Summary
Title systemd vulnerabilities
Informations
NameUSN-3855-1First vendor Publication2019-01-11
VendorUbuntuLast vendor Modification2019-01-11
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score4.6Attack RangeLocal
Cvss Impact Score6.4Attack ComplexityLow
Cvss Expoit Score3.9AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in systemd.

Software Description: - systemd: system and service manager

Details:

It was discovered that systemd-journald allocated variable-length buffers for certain message fields on the stack. A local attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. (CVE-2018-16864)

It was discovered that systemd-journald allocated variable-length arrays of objects representing message fields on the stack. A local attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. (CVE-2018-16865)

An out-of-bounds read was discovered in systemd-journald. A local attacker could potentially exploit this to obtain sensitive information and bypass ASLR protections. (CVE-2018-16866)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10: 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 239-7ubuntu10.6

Ubuntu 18.04 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 237-3ubuntu10.11

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 229-4ubuntu21.15

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-3855-1 テつ CVE-2018-16864, CVE-2018-16865, CVE-2018-16866

Package Information: テつ https://launchpad.net/ubuntu/+source/systemd/239-7ubuntu10.6 テつ https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu10.11 テつ https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu21.15

Original Source

Url : http://www.ubuntu.com/usn/USN-3855-1

CWE : Common Weakness Enumeration

%idName
67 %CWE-119Failure to Constrain Operations within the Bounds of a Memory Buffer
33 %CWE-125Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application111
Application1
Application1
Application3
Application2
Os3
Os2
Os1
Os4
Os1
Os3
Os1
Os1
Os1

Snortツョ IPS/IDS

DateDescription
2019-04-30Unix systemd-journald memory corruption attempt
RuleID : 49618 - Revision : 1 - Type : FILE-OTHER
2019-04-30Unix systemd-journald memory corruption attempt
RuleID : 49617 - Revision : 1 - Type : FILE-OTHER

Nessusツョ Vulnerability Scanner

DateDescription
2019-01-16Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2019-0049.nasl - Type : ACT_GATHER_INFO
2019-01-14Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4367.nasl - Type : ACT_GATHER_INFO
2019-01-14Name : The remote Fedora host is missing a security update.
File : fedora_2019-18b3a10c7f.nasl - Type : ACT_GATHER_INFO
2019-01-10Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2019-1141.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
3
DateInformations
2019-02-23 09:21:41
  • Multiple Updates
2019-02-07 00:21:25
  • Multiple Updates
2019-01-12 17:21:12
  • Multiple Updates
2019-01-11 17:18:42
  • First insertion