PT-2018-2288 · Systemd+5 · Systemd-Journald+5

Published 2018-11-27 · Updated 2024-06-15 · CVE-2018-16864

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions systemd-journald versions through v240

Description The issue is caused by an unbounded memory allocation in systemd-journald, potentially leading to a stack clash with another memory region when a program with long command line arguments calls syslog. This could allow an attacker to crash systemd-journald or escalate their privileges.

Recommendations For versions through v240, consider restricting access to the syslog function to minimize the risk of exploitation until a patch is available. As a temporary workaround, consider disabling the syslog function in affected systems until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Allocation of Resources Without Limits

Buffer Overflow

Weakness Enumeration

CWE-770

CWE-119

Related Identifiers

ALT-PU-2019-1023

ALT-PU-2019-1260

BDU:2019-00412

BDU:2019-01752

CESA-2019_0049

CVE-2018-16864

DLA-1639-1

DLA-1711-1

DSA-4367-1

DSA-4367-2

OPENSUSE-SU-2019:0098-1

OPENSUSE-SU-2019_0097-1

OPENSUSE-SU-2019_0098-1

OPENSUSE-SU-2024:11420-1

RHSA-2019:0049

RHSA-2019:0204

RHSA-2019:0271

RHSA-2019:0342

RHSA-2019:0361

RHSA-2019:2402

RHSA-2019_0049

SUSE-SU-2019:0053-1

SUSE-SU-2019:0054-1

SUSE-SU-2019:0054-2

SUSE-SU-2019:0135-1

SUSE-SU-2019:0137-1

SUSE-SU-2019_0135-1

SUSE-SU-2019_0137-1

USN-3855-1

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Systemd-Journald

References · 136

• 🔥 https://qualys.com/2019/01/09/system-down/system-down.txt · Exploit
• https://ubuntu.com/security/CVE-2018-16866 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-02469 · Security Note
• https://access.redhat.com/errata/RHSA-2019:0342 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-16864#VulnChangeHistorySection · Security Note
• https://security-tracker.debian.org/tracker/DLA-1711-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3855-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11420-1 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4367-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-00413 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16865 · Security Note
• https://access.redhat.com/errata/RHSA-2019:0361 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-16864 · Security Note
• https://osv.dev/vulnerability/DLA-1639-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-16864 · Security Note