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Deserialization of Untrusted Data Affecting systemd package, versions <237-3ubuntu10.6

medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.24% (62nd percentile)
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NVD
7.8 high
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SUSE
3.6 low
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Red Hat
3.6 low

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  • Snyk ID SNYK-UBUNTU1804-SYSTEMD-305099
  • published 28 Oct 2018
  • disclosed 26 Oct 2018
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Introduced: 26 Oct 2018

CVE-2018-15686 Open this link in a new tab
CWE-502 Open this link in a new tab

How to fix?

Upgrade Ubuntu:18.04 systemd to version 237-3ubuntu10.6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.

References