Vulnerability CVE-2018-16865
Published: 2019-01-11

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
systemd-journald Memory Corruption / Information Leak
Qualys
10.01.2019

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux workstation 
Redhat -> Virtualization 
Oracle -> Enterprise communications broker 
Oracle -> Oracle communications session border controller 
Oracle -> Communications session border controller 
Freedesktop -> Systemd 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

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