4.6
CVSSv2

CVE-2018-16864

Published: 11/01/2019 Updated: 26/04/2019
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

An allocation of memory without limits, that could result in the stack clashing with another memory region, exists 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.

Vulnerability Trend

Vendor Advisories

Synopsis Moderate: redhat-virtualization-host security update Type/Severity Security Advisory: Moderate Topic An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impac ...
Synopsis Important: systemd security update Type/Severity Security Advisory: Important Topic An update for systemd is now available for Red Hat Enterprise Linux 74 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring ...
Synopsis Important: systemd security update Type/Severity Security Advisory: Important Topic An update for systemd is now available for Red Hat Enterprise Linux 75 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring ...
Synopsis Moderate: rhvm-appliance security update Type/Severity Security Advisory: Moderate Topic An update for rhvm-appliance is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnera ...
Synopsis Important: systemd security update Type/Severity Security Advisory: Important Topic An update for systemd is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) base score, ...
Synopsis Low: systemd security update Type/Severity Security Advisory: Low Topic An update for systemd is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Low A Common Vulnerability Scoring System (CVSS) base score, which gives a det ...
Several security issues were fixed in systemd ...
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 privileges ...
A memory corruption vulnerability has been found in the journald component of systemd >= v230 and <= v240, in the set_iovec_field() function Passing several megabytes of command-line arguments to a program that calls syslog() led to an attacker-controlled alloca(), which could be used to override the content of the memory, in the stack-clash ...
Arch Linux Security Advisory ASA-201901-9 ========================================= Severity: High Date : 2019-01-12 CVE-ID : CVE-2018-16864 CVE-2018-16865 Package : systemd Type : arbitrary code execution Remote : No Link : securityarchlinuxorg/AVG-845 Summary ======= The package systemd before version 24034-1 is vulnerabl ...
Multiple vulnerabilities were identified with the Systemd package that is included in all versions of the IBM MQ CloudPak ...
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 privileges(CVE-2018-16864 ) It was discovered that systemd-network does ...
Large syslogd messages sent to journald can cause stack corruption, causing journald to crash The version of systemd on Amazon Linux 2 is not vulnerable to privilege escalation in this case (CVE-2018-16864 ) Large native messages to journald can cause stack corruption, leading to possible local privilege escalation(CVE-2018-16865 ) Please note ...
PowerKVM is affected by vulnerabilities in systemd IBM has now addressed these vulnerabilities ...
Oracle Linux Bulletin - Description The Oracle Linux Bulletin lists all CVEs that had been resolved and announced in Oracle Linux Security Advisories (ELSA) in the last one month prior to the release of the bulletin Oracle Linux Bulletins are published on the same day as Oracle Critical Patch Updates are released These bu ...
AT&T has released version 1801-v for the Vyatta 5600 Details of this release can be found at cloudibmcom/docs/infrastructure/virtual-router-appliance?topic=virtual-router-appliance-at-t-vyatta-5600-vrouter-software-patches#at-t-vyatta-5600-vrouter-software-patches ...

Mailing Lists

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-4367-1 security () debian org wwwdebianorg/security/ Salvatore Bonaccorso January 13, 2019 wwwdebianorg/security/faq ...
Qualys Security Advisory System Down: A systemd-journald exploit ======================================================================== Contents ======================================================================== Summary CVE-2018-16864 - Analysis - Exploitation CVE-2018-16865 - Analysis - Exploitation CVE-2018-16866 - Analysis - Exploita ...
Qualys Security Advisory System Down: A systemd-journald exploit ======================================================================== Contents ======================================================================== Summary CVE-2018-16864 - Analysis - Exploitation CVE-2018-16865 - Analysis - Exploitation CVE-2018-16866 - Analysis - Exploita ...

Recent Articles

The D in SystemD stands for Danger, Will Robinson! Defanged exploit code for security holes now out in the wild
The Register • Thomas Claburn in San Francisco • 31 Jan 2019

Capsule8 demos takeover technique to help sysadmins check for vulnerabilities

Those who haven't already patched a trio of recent vulnerabilities in the Linux world's SystemD have an added incentive to do so: security biz Capsule8 has published exploit code for the holes.
Don't panic, though: the exploit code has been defanged so that it is defeated by basic security measures, and thus shouldn't work in the wild against typical Linux installations. However, Capsule8 or others may reveal ways to bypass those protections, so consider this a heads-up, or an insight into...

The D in SystemD stands for Dammmit... Security holes found in much-adored Linux toolkit
The Register • Thomas Claburn in San Francisco • 10 Jan 2019

Patches pending for distros to deal with threat of local privilege escalation to root

Security biz Qualys has revealed three vulnerabilities in a component of systemd, a system and service manager used in most major Linux distributions.
Patches for the three flaws – CVE-2018-16864, CVE-2018-16865, and CVE-2018-16866 – should appear in distro repos soon as a result of coordinated disclosure. However, Linux distributions such as Debian remain vulnerable at the moment, depending on the version you have installed.
"They're aware of the issues and they're releasing pat...