CVE-2018-16865

Severity
7.8HIGH
EPSS
1.2%
top 20.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 11
Latest updateMay 13

Description

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages8 packages

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 16.04, 18.04, 18.10, Enterprise Linux 7.3, 7.6, 7.5

Patches

🔴Vulnerability Details

4
GHSA
GHSA-cwf3-gffj-25fm: An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when ma2022-05-13
OSV
CVE-2018-16865: An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when ma2019-01-11
CVEList
CVE-2018-16865: An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when ma2019-01-11
OSV
systemd vulnerabilities2019-01-11

📋Vendor Advisories

4
Ubuntu
systemd vulnerabilities2019-01-11
Red Hat
systemd: stack overflow when receiving many journald entries2019-01-09
Microsoft
An allocation of memory without limits that could result in the stack clashing with another memory region was discovered in systemd-journald when many entries are sent to the journal socket. A local a2019-01-08
Debian
CVE-2018-16865: systemd - An allocation of memory without limits, that could result in the stack clashing ...2018

💬Community

2
Bugzilla
CVE-2018-16865 systemd: stack overflow when receiving many journald entries [fedora-all]2019-01-10
Bugzilla
CVE-2018-16865 systemd: stack overflow when receiving many journald entries2018-11-27