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MEDIUM

UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill `cat /pathname`" command

Published Aug 23, 2017

Description

UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill `cat /pathname`" command. NOTE: the vendor indicates that there is no common or recommended scenario in which a root script would execute this kill command.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

CWE-665

References (2)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 23, 2017
Updated Aug 5, 2024
Reserved Aug 23, 2017
Link CVE-2017-13649
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 17, 2026
Link CVE-2017-13649
Red Hat
Severity n/a
Public date n/a
Links CVE-2017-13649