CVE-2018-16866

Public Exploit

Description

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.

Category

3.3
CVSS
Severity: Low
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: The systemd Project systemd
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2019/dsa-4367 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20190117-0001/ third party advisory
https://www.qualys.com/2019/01/09/system-down/system-down.txt third party advisory exploit
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866 patch third party advisory issue tracking
https://usn.ubuntu.com/3855-1/ third party advisory vendor advisory
http://www.securityfocus.com/bid/106527 third party advisory vdb entry
https://security.gentoo.org/glsa/201903-07 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2019/05/10/4 third party advisory mailing list
https://seclists.org/bugtraq/2019/May/25 third party advisory mailing list
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html third party advisory vdb entry
http://seclists.org/fulldisclosure/2019/May/21 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:2091 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3222 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0593 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-16866?
CVE-2018-16866 has been scored as a low severity vulnerability.
How to fix CVE-2018-16866?
To fix CVE-2018-16866, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-16866 being actively exploited in the wild?
It is possible that CVE-2018-16866 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-16866?
CVE-2018-16866 affects The systemd Project systemd.
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