ArchLinuxASA-201707-5[ASA-201707-5] systemd: denial of service
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.007 Low
EPSS
Percentile
80.1%
Arch Linux Security Advisory ASA-201707-5
Severity: Medium
Date : 2017-07-04
CVE-ID : CVE-2017-9217
Package : systemd
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-337
Summary
The package systemd before version 233-7 is vulnerable to denial of
service.
Resolution
Upgrade to 233-7.
pacman -Syu “systemd>=233-7”
The problem has been fixed upstream in version 233.
Workaround
None.
Description
A security issue has been found in systemd-resolved, allowing a remote
attacker to cause a denial of service (daemon crash via NULL-pointer
dereference) via a crafted DNS response with an empty question section.
Impact
A remote attacker can cause a denial of service via a crafted DNS
response.
References
https://github.com/systemd/systemd/commit/262d95fecd357343887709006188f690cfe040a9
https://github.com/systemd/systemd/pull/6020
https://security.archlinux.org/CVE-2017-9217
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.007 Low
EPSS
Percentile
80.1%