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Vulnerability Details : CVE-2018-16865

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.
Publish Date : 2019-01-11 Last Update Date : 2019-08-07
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:0049: systemd security update (Important) oval:com.redhat.rhsa:def:20190049 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-16865

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.10 Version Details Vulnerabilities
4 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
5 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
6 Application Freedesktop Systemd 240 Version Details Vulnerabilities
7 Application Oracle Communications Session Border Controller 8.0.0 Version Details Vulnerabilities
8 Application Oracle Communications Session Border Controller 8.1.0 Version Details Vulnerabilities
9 Application Oracle Communications Session Border Controller 8.2.0 Version Details Vulnerabilities
10 Application Oracle Enterprise Communications Broker 3.0.0 Version Details Vulnerabilities
11 Application Oracle Enterprise Communications Broker 3.1.0 Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Desktop 7.0 Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server 7.0 Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Aus 7.6 Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Eus 7.5 Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Eus 7.6 Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Server Tus 7.6 Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Workstation 7.0 Version Details Vulnerabilities
19 OS Redhat Virtualization 4.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 2
Freedesktop Systemd 1
Oracle Communications Session Border Controller 3
Oracle Enterprise Communications Broker 2
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 2
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 1
Redhat Virtualization 1

- References For CVE-2018-16865

http://www.securityfocus.com/bid/106525
BID 106525 systemd-journald CVE-2018-16865 Stack Buffer Overflow Vulnerability Release Date:2019-01-18
http://www.openwall.com/lists/oss-security/2019/05/10/4
MLIST [oss-security] 20190510 Re: System Down: A systemd-journald exploit
https://www.qualys.com/2019/01/09/system-down/system-down.txt
https://access.redhat.com/errata/RHSA-2019:0049
REDHAT RHSA-2019:0049
https://access.redhat.com/errata/RHSA-2019:0204
REDHAT RHSA-2019:0204
https://access.redhat.com/errata/RHSA-2019:0271
REDHAT RHSA-2019:0271
https://security.gentoo.org/glsa/201903-07
GENTOO GLSA-201903-07
https://access.redhat.com/errata/RHSA-2019:2402
REDHAT RHSA-2019:2402
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16865 CONFIRM
https://usn.ubuntu.com/3855-1/
UBUNTU USN-3855-1
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://access.redhat.com/errata/RHSA-2019:0342
REDHAT RHSA-2019:0342
https://lists.debian.org/debian-lts-announce/2019/01/msg00016.html
MLIST [debian-lts-announce] 20190123 [SECURITY] [DLA 1639-1] systemd security update
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html
https://seclists.org/bugtraq/2019/May/25
BUGTRAQ 20190513 Re: System Down: A systemd-journald exploit
https://access.redhat.com/errata/RHBA-2019:0327
REDHAT RHBA-2019:0327
https://www.debian.org/security/2019/dsa-4367
DEBIAN DSA-4367
https://access.redhat.com/errata/RHSA-2019:0361
REDHAT RHSA-2019:0361
http://seclists.org/fulldisclosure/2019/May/21
FULLDISC 20190513 Re: System Down: A systemd-journald exploit
https://security.netapp.com/advisory/ntap-20190117-0001/ CONFIRM

- Metasploit Modules Related To CVE-2018-16865

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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