CVE-2018-16866
LOWCVSS 3.3/10EPSS 1.05%
Last modified
CVE-2018-16866 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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. EPSS estimates a 1.05% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Systemd Project | Systemd | >= 221, <= 239 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Netapp | Active Iq Performance Analytics Services | All versions |
| Netapp | Element Software | All versions |
| Redhat | Enterprise Linux | 7.6 |
| Redhat | Enterprise Linux Compute Node Eus | 7.6 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux For Ibm Z Systems \(Structure A\) | 7_s390x |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 7.6 |
| Redhat | Enterprise Linux For Power Big Endian | 7.0 |
| Redhat | Enterprise Linux For Power Big Endian Eus | 7.6 |
| Redhat | Enterprise Linux For Power Little Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 7.6 |
| Redhat | Enterprise Linux For Scientific Computing | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| 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 | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.4 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 7.4 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 7.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/May/21Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/05/10/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106527Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2091Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3222Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0593Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866Issue Tracking, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/25Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201903-07Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190117-0001/Third Party Advisory
- https://usn.ubuntu.com/3855-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4367Third Party Advisory
- https://www.qualys.com/2019/01/09/system-down/system-down.txtExploit, Third Party Advisory
- http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/May/21Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/05/10/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106527Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2091Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3222Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0593Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866Issue Tracking, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/25Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201903-07Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190117-0001/Third Party Advisory
- https://usn.ubuntu.com/3855-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4367Third Party Advisory
- https://www.qualys.com/2019/01/09/system-down/system-down.txtExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-16866?
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.
How severe is CVE-2018-16866?
CVE-2018-16866 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.
How do I fix CVE-2018-16866?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-16866?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST