Home/CVE/A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory
CVE

CVE-2018-15688

A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory

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.

HIGH · CVSS 8.8 EPSS 0.0069
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

9
systemd project systemd<= 239
debian linuxall versions
canonical ubuntu linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux server tusall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSystemd Service Creation
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security@ubuntu.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Oct 2018 · 02:29 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

10
suse-csafopenSUSE-SU-2024:10602-1
suse-csafopenSUSE-SU-2024:11420-1
msrcCVE-2018-15688
rhsaRHSA-2019:0049Important
suse-csafSUSE-SU-2018:3767-2
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105745Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://github.com/systemd/systemd/pull/10518PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00017.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/201810-10Third Party Advisory
https://usn.ubuntu.com/3806-1/Third Party Advisory
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