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VULNERABILITIES

CVE-2017-9445 Details

Description

In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can cause it to allocate a buffer that's too small. A malicious DNS server can exploit this via a response with a specially crafted TCP payload to trick systemd-resolved into allocating a buffer that's too small, and subsequently write arbitrary data beyond the end of it.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://openwall.com/lists/oss-security/2017/06/27/8 CVEMailing ListPatchThird Party Advisory
https://launchpad.net/bugs/1695546 CVEBroken Link
http://www.securityfocus.com/bid/99302 CVEThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038806 CVEThird Party AdvisoryVDB Entry
http://openwall.com/lists/oss-security/2017/06/27/8 [email protected]Mailing ListPatchThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
systemd project systemd
>= 223, <= 233

CPE

  • cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-9445
NVD Published Date:
Jun 28, 2017
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2017-9445 Details - Not Deferred