Low severity · published Jan 11, 2019
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 ':'
3.3
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SY
systemd · The systemd Project
from v221 to v239 · source: vendor, NVD
AI
Active IQ Performance Analytics Services · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
ES
Element Software · Netapp
All versions, or not specified · source: NVD
EL
Enterprise Linux · Redhat
7.6 · source: NVD
EL
Enterprise Linux Compute Node Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Ibm Z Systems (structure A) · Redhat
7_s390x · source: NVD
EL
Enterprise Linux For Ibm Z Systems Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux For Power Big Endian · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Power Big Endian Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux For Power Little Endian · Redhat
7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16866
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16866
Third Party Advisory
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html
Mailing List
http://seclists.org/fulldisclosure/2019/May/21
Mailing List
http://www.openwall.com/lists/oss-security/2019/05/10/4
Third Party Advisory
http://www.securityfocus.com/bid/106527
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2091
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3222
More from systemd
7.8
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…
7.8
CVE-2018-16864
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…
4.7
CVE-2018-16888
It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes
3.3
CVE-2019-3815
A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux