Time-of-check Time-of-use (TOCTOU) Affecting networkd-dispatcher package, versions <2.2.3-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-NETWORKDDISPATCHER-2805496
  • published28 Apr 2022
  • disclosed21 Sept 2022

Introduced: 28 Apr 2022

CVE-2022-29800  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Debian:unstable networkd-dispatcher to version 2.2.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream networkd-dispatcher package and not the networkd-dispatcher package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not.

CVSS Scores

version 3.1