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CVE-2018-16865

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Date: January 11, 2019

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.

Language: C

Severity Score

Related Resources (26)

https://access.redhat.com/errata/RHSA-2019:0342
https://access.redhat.com/errata/RHSA-2019:0361
https://www.qualys.com/2019/01/09/system-down/system-down.txt
https://access.redhat.com/errata/RHSA-2019:0049
https://access.redhat.com/errata/RHSA-2019:2402
https://security.gentoo.org/glsa/201903-07
http://www.openwall.com/lists/oss-security/2019/05/10/4
https://security.netapp.com/advisory/ntap-20190117-0001/
https://security-tracker.debian.org/tracker/CVE-2018-16865
https://lists.debian.org/debian-lts-announce/2019/01/msg00016.html
https://www.debian.org/security/2019/dsa-4367
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://access.redhat.com/errata/RHBA-2019:0327
https://usn.ubuntu.com/3855-1/
https://nvd.nist.gov/vuln/detail/CVE-2018-16865
https://access.redhat.com/security/cve/CVE-2018-16865
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16865
http://www.openwall.com/lists/oss-security/2021/07/20/2
https://access.redhat.com/errata/RHSA-2019:0271
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-16865
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html
http://www.securityfocus.com/bid/106525
https://access.redhat.com/errata/RHSA-2019:0204
https://seclists.org/bugtraq/2019/May/25
http://seclists.org/fulldisclosure/2019/May/21
https://www.mend.io/vulnerability-database/CVE-2018-16865

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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