7.4high

CVE-2018-16864

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journ…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.4
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.7%
percentile 54%
Public exploits
0
none known

Summary

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges. Versions through v240 are vulnerable.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
total
Assessed
17 mo ago

Exploit prediction (EPSS)

0.71% probability of exploitation in the next 30 days, higher than 54% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.07.4CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA3.07.4CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.04.6AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • The systemd Project systemd

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

  • securityfocus.com /bid/106523 · vdb-entry, x_refsource_BID, x_transferred
  • access.redhat.com /errata/RHSA-2019:0342 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.debian.org /debian-lts-announce/2019/01/msg00016.html · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2019/dsa-4367 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • access.redhat.com /errata/RHSA-2019:0204 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.netapp.com /advisory/ntap-20190117-0001/ · x_refsource_CONFIRM, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=CVE-2018-16864 · x_refsource_CONFIRM, x_transferred
  • qualys.com /2019/01/09/system-down/system-down.txt · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3855-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • access.redhat.com /errata/RHSA-2019:0049 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:0271 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:0361 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.gentoo.org /glsa/201903-07 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • oracle.com /technetwork/security-advisory/cpuapr2019-5072813.html · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHBA-2019:0327 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:2402 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • openwall.com /lists/oss-security/2021/07/20/2 · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.