CVE-2017-15908

In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/systemd/systemd/pull/7184	Issue Tracking Patch Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351	Issue Tracking Patch Third Party Advisory
http://www.securitytracker.com/id/1039662	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/101600	VDB Entry Third Party Advisory
https://usn.ubuntu.com/3558-1/	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:systemd_project:systemd:228:::::::*
	cpe:2.3:a:systemd_project:systemd:229:::::::*
	cpe:2.3:a:systemd_project:systemd:226:::::::*
	cpe:2.3:a:systemd_project:systemd:227:::::::*
	cpe:2.3:a:systemd_project:systemd:234:::::::*
	cpe:2.3:a:systemd_project:systemd:235:::::::*
	cpe:2.3:a:systemd_project:systemd:223:::::::*
	cpe:2.3:a:systemd_project:systemd:224:::::::*
	cpe:2.3:a:systemd_project:systemd:225:::::::*
	cpe:2.3:a:systemd_project:systemd:232:::::::*
	cpe:2.3:a:systemd_project:systemd:233:::::::*
	cpe:2.3:a:systemd_project:systemd:230:::::::*
	cpe:2.3:a:systemd_project:systemd:231:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::

Information

Published : 2017-10-26 07:29

Updated : 2022-02-19 21:58

NVD link : CVE-2017-15908

Mitre link : CVE-2017-15908

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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Products Affected

canonical

ubuntu_linux

systemd_project

systemd

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