Public Date:
1463609: CVE-2017-9445 systemd: Out-of-bounds write in systemd-resolved due to allocating too small buffer in dns_packet_new
An out-of-bounds write flaw was found in the way systemd-resolved daemon handled processing of DNS responses. A remote attacker could potentially use this flaw to crash the daemon or execute arbitrary code in the context of the daemon process.

Find out more about CVE-2017-9445 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of systemd as shipped with Red Hat Enterprise Linux 7.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 systemd Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.


Red Hat would like to thank Chris Coulson (Canonical) for reporting this issue.
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