// For flags

CVE-2018-16866

systemd: out-of-bounds read when parsing a crafted syslog message

Severity Score

3.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha descubierto una lectura fuera de lĂ­mites en systemd-journald en la forma en la que analiza mensajes de registro que terminan con dos puntos ":". Un atacante local puede emplear este error para divulgar datos de la memoria del proceso. Son vulnerables las versiones desde la v221 hasta la v239.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-09-11 CVE Reserved
  • 2019-01-09 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-05 CVE Updated
  • 2024-08-05 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Systemd Project
Search vendor "Systemd Project"
Systemd
Search vendor "Systemd Project" for product "Systemd"
>= 221 <= 239
Search vendor "Systemd Project" for product "Systemd" and version " >= 221 <= 239"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
18.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"
lts
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
18.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"
-
Affected
Netapp
Search vendor "Netapp"
Active Iq Performance Analytics Services
Search vendor "Netapp" for product "Active Iq Performance Analytics Services"
--
Affected
Netapp
Search vendor "Netapp"
Element Software
Search vendor "Netapp" for product "Element Software"
*-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
7.6
Search vendor "Redhat" for product "Enterprise Linux" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Compute Node Eus
Search vendor "Redhat" for product "Enterprise Linux Compute Node Eus"
7.6
Search vendor "Redhat" for product "Enterprise Linux Compute Node Eus" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Desktop
Search vendor "Redhat" for product "Enterprise Linux Desktop"
7.0
Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Ibm Z Systems \(structure A\)
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems \(structure A\)"
7_s390x
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems \(structure A\)" and version "7_s390x"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Ibm Z Systems Eus
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus"
7.6
Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems Eus" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Big Endian
Search vendor "Redhat" for product "Enterprise Linux For Power Big Endian"
7.0
Search vendor "Redhat" for product "Enterprise Linux For Power Big Endian" and version "7.0"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Big Endian Eus
Search vendor "Redhat" for product "Enterprise Linux For Power Big Endian Eus"
7.6
Search vendor "Redhat" for product "Enterprise Linux For Power Big Endian Eus" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Little Endian
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian"
7.0
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian" and version "7.0"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Power Little Endian Eus
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus"
7.6
Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian Eus" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux For Scientific Computing
Search vendor "Redhat" for product "Enterprise Linux For Scientific Computing"
7.0
Search vendor "Redhat" for product "Enterprise Linux For Scientific Computing" and version "7.0"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server
Search vendor "Redhat" for product "Enterprise Linux Server"
7.0
Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server Aus
Search vendor "Redhat" for product "Enterprise Linux Server Aus"
7.4
Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server Aus
Search vendor "Redhat" for product "Enterprise Linux Server Aus"
7.6
Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
Search vendor "Redhat" for product "Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions"
7.4
Search vendor "Redhat" for product "Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions" and version "7.4"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
Search vendor "Redhat" for product "Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions"
7.6
Search vendor "Redhat" for product "Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server Tus
Search vendor "Redhat" for product "Enterprise Linux Server Tus"
7.4
Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.4"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server Tus
Search vendor "Redhat" for product "Enterprise Linux Server Tus"
7.6
Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server Update Services For Sap Solutions
Search vendor "Redhat" for product "Enterprise Linux Server Update Services For Sap Solutions"
7.4
Search vendor "Redhat" for product "Enterprise Linux Server Update Services For Sap Solutions" and version "7.4"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Server Update Services For Sap Solutions
Search vendor "Redhat" for product "Enterprise Linux Server Update Services For Sap Solutions"
7.6
Search vendor "Redhat" for product "Enterprise Linux Server Update Services For Sap Solutions" and version "7.6"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux Workstation
Search vendor "Redhat" for product "Enterprise Linux Workstation"
7.0
Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"
-
Affected