medium
4.3
CWE
125 200
Advisory Published
CVE Published
CVE Published
Updated

CVE-2018-16866: Infoleak

First published: Tue Nov 27 2018(Updated: )

A flaw was found in systemd-journald. An out-of-bounds read when parsing a crafted syslog message that could lead to information disclosure.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
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
Netapp Element Software
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
ubuntu/systemd<237-3ubuntu10.11
237-3ubuntu10.11
ubuntu/systemd<239-7ubuntu10.6
239-7ubuntu10.6
ubuntu/systemd<229-4ubuntu21.15
229-4ubuntu21.15
debian/systemd
247.3-7+deb11u5
252.26-1~deb12u2
256.4-3
256.5-1

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2018-16866?

    CVE-2018-16866 is a vulnerability found in systemd-journald that allows a local attacker to disclose process memory data by exploiting an out-of-bounds read when parsing log messages terminating with a colon.

  • Which software versions are affected by CVE-2018-16866?

    Versions from v221 to v239 of systemd-journald, Debian Debian Linux 9.0, Canonical Ubuntu Linux 16.04, 18.04, and 18.10, Netapp Active Iq Performance Analytics Services, Netapp Element Software, and various versions of Redhat Enterprise Linux are affected.

  • What is the severity of CVE-2018-16866?

    CVE-2018-16866 has a severity rating of medium with a CVSS score of 3.3.

  • How can I fix CVE-2018-16866 on my system?

    To fix CVE-2018-16866, you should apply the appropriate security patches provided by your operating system vendor or upgrade to a non-vulnerable version of systemd-journald.

  • Where can I find more information about CVE-2018-16866?

    You can find more information about CVE-2018-16866 on the MITRE CVE database (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16866), Ubuntu security notices (https://ubuntu.com/security/notices/USN-3855-1), and NIST NVD (https://nvd.nist.gov/vuln/detail/CVE-2018-16866).

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