high
7.8
CWE
770 119
Advisory Published
CVE Published
CVE Published
Updated

CVE-2018-16864: Buffer Overflow

First published: Tue Nov 27 2018(Updated: )

A flaw was found in systemd-journald. A stack buffer overflow when passing several MB of arguments to a program calling syslog function. This can lead to a denial of service attack or arbitrary code execution in some cases.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
debian/systemd<=240-2<=204-1<=232-25+deb9u6
240-4
232-25+deb9u7
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
systemd<=240
redhat enterprise Linux desktop=7.0
redhat enterprise Linux server=7.0
redhat enterprise Linux server=7.4
redhat enterprise Linux server=7.5
redhat enterprise Linux server=7.6
redhat enterprise Linux server aus=7.3
redhat enterprise Linux server aus=7.6
redhat enterprise Linux server eus=7.4
redhat enterprise Linux server eus=7.6
redhat enterprise Linux server tus=7.3
redhat enterprise Linux server tus=7.6
redhat enterprise Linux workstation=7.0
Debian=8.0
Debian=9.0
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=18.10
Oracle Communications Session Border Controller=8.0.0
Oracle Communications Session Border Controller=8.1.0
Oracle Communications Session Border Controller=8.2.0
Oracle Enterprise Communications Broker=3.0.0
Oracle Enterprise Communications Broker=3.1.0

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16864

Remedy

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2018-16864?

    CVE-2018-16864 is a vulnerability found in systemd-journald that allows a local attacker to crash the service or escalate privileges.

  • How severe is CVE-2018-16864?

    CVE-2018-16864 has a severity rating of 7.8, which is considered high.

  • What is affected by CVE-2018-16864?

    CVE-2018-16864 affects systemd versions up to and including 204-1, 232-25+deb9u6, and 240-2 on Debian. Other affected software versions can be found in the vulnerability details.

  • How can I fix CVE-2018-16864?

    To fix CVE-2018-16864, you should update systemd to version 240-4 or 232-25+deb9u7 on Debian. For other affected software, refer to the recommended versions given in the vulnerability details.

  • Where can I find more information about CVE-2018-16864?

    You can find more information about CVE-2018-16864 at the following references: [link1], [link2], [link3].

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