CVE-2018-15688

Out-of-Bounds write in systemd-networkd dhcpv6 option handling

Description

A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.84% Top 30%
Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: systemd systemd
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201810-10 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html third party advisory mailing list
https://usn.ubuntu.com/3807-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3806-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3665 third party advisory vendor advisory
http://www.securityfocus.com/bid/105745 vdb entry third party advisory
https://github.com/systemd/systemd/pull/10518 third party advisory patch
https://access.redhat.com/errata/RHSA-2019:0049 third party advisory vendor advisory
https://access.redhat.com/errata/RHBA-2019:0327 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-15688?
CVE-2018-15688 has been scored as a high severity vulnerability.
How to fix CVE-2018-15688?
To fix CVE-2018-15688, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-15688 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-15688 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-15688?
CVE-2018-15688 affects systemd systemd.
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