Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2017-9217

NULL Pointer Dereference

Published: May 24, 2017 | Modified: Apr 20, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
5.3 LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2017-9217
CWEhttps://cwe.mitre.org/data/definitions/476.html

systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

Name Vendor Start Version End Version
Systemd Systemd_project * 233 (including)
Systemd Ubuntu devel *
Systemd Ubuntu esm-infra/xenial *
Systemd Ubuntu upstream *
Systemd Ubuntu xenial *
Systemd Ubuntu yakkety *
Systemd Ubuntu zesty *

Potential Mitigations

References

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