Out-of-Bounds write in systemd-networkd dhcpv6 option handling
CVE-2018-15688

8.8HIGH

Key Information:

Vendor

Systemd

Status
Systemd
Vendor
CVE Published:
26 October 2018

What is CVE-2018-15688?

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.

Affected Version(s)

systemd <= 239

References

https://security.gentoo.org/glsa/201810-10
vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2018/11/msg0...
mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3807-1/
vendor-advisoryx_refsource_UBUNTU

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Felix Wilhelm from the Google Security Team
.