Vulnerability Details : CVE-2018-16866
Potential exploit
An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.
Vulnerability category: Information leak
Products affected by CVE-2018-16866
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:*
- Redhat » Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions » Version: 7.4cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:*
- Redhat » Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions » Version: 7.6cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_\(structure_a\):7_s390x:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:element_software:*:*:*:*:*:*:*:*
- cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-16866
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-16866
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
Red Hat, Inc. | |
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
NIST |
CWE ids for CVE-2018-16866
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: secalert@redhat.com (Primary)
References for CVE-2018-16866
-
http://seclists.org/fulldisclosure/2019/May/21
Full Disclosure: Re: System Down: A systemd-journald exploitMailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866
1653867 – (CVE-2018-16866) CVE-2018-16866 systemd: out-of-bounds read when parsing a crafted syslog messageIssue Tracking;Patch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/05/10/4
oss-security - Re: System Down: A systemd-journald exploitMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:2091
RHSA-2019:2091 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://usn.ubuntu.com/3855-1/
USN-3855-1: systemd vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://seclists.org/bugtraq/2019/May/25
Bugtraq: Re: System Down: A systemd-journald exploitMailing List;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20190117-0001/
January 2019 Systemd-journald Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:3222
RHSA-2019:3222 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.securityfocus.com/bid/106527
systemd-journald CVE-2018-16866 Out-Of-Bounds Read Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html
System Down: A systemd-journald Exploit ≈ Packet StormThird Party Advisory;VDB Entry
-
https://www.debian.org/security/2019/dsa-4367
Debian -- Security Information -- DSA-4367-1 systemdThird Party Advisory
-
https://security.gentoo.org/glsa/201903-07
systemd: Multiple vulnerabilities (GLSA 201903-07) — Gentoo securityThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2020:0593
RHSA-2020:0593 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://www.qualys.com/2019/01/09/system-down/system-down.txt
Exploit;Third Party Advisory
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