Memory corruption in systemd-journald - CVE-2018-16864

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Main Vulnerability Database Vulnerabilities #VU16940

Memory corruption in systemd-journald - CVE-2018-16864

Published: January 11, 2019 / Updated: January 31, 2019


Vulnerability identifier: #VU16940
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16864
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to boundary error when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and gain elevated privileges to conduct further attacks.

Affected software

systemd-journald
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power
Opensuse
Fedora
Red Hat Virtualization
Red Hat Virtualization Host
systemd (Ubuntu package)
systemd (Debian package)
systemd
Dell EMC Unity VSA Operating Environment (OE)
Dell EMC Unity Operating Environment (OE)

How to mitigate CVE-2018-16864

Patches have been sent to linux-distros@openwall.

systemd (Ubuntu package) - addressed in versions 229-4ubuntu21.15, 237-3ubuntu10.11, 239-7ubuntu10.6
systemd (Debian package) - update to 232-25+deb9u7
Dell EMC Unity VSA Operating Environment (OE) - update to 5.0.0.0.5.116
Dell EMC Unity Operating Environment (OE) - update to 5.0.0.0.5.116
systemd - addressed in versions 238-11.gita76ee90.fc28, 239-8.gite339eae.fc29

External References

Related Security Bulletins