What is the severity of CVE-2013-4392?

CVE-2013-4392 has been classified with high severity due to its potential to allow local attackers to modify permissions.

How do I fix CVE-2013-4392?

To fix CVE-2013-4392, update systemd to version 239 or later, where the flaw has been addressed.

What systems are affected by CVE-2013-4392?

CVE-2013-4392 affects versions of systemd prior to version 239.

Can CVE-2013-4392 be exploited remotely?

CVE-2013-4392 cannot be exploited remotely; it requires local access to the system.

Vulnerability/
CVE-2013-4392

low

3.3

CWE

362 59

20/9/2012

28/10/2013

6/8/2024

CVE-2013-4392: Race Condition

Q: What type of vulnerability is CVE-2013-4392?

CVE-2013-4392 is a TOCTOU (time-of-check time-of-use) race condition vulnerability.

First published: Thu Sep 20 2012(Updated: )

A TOCTOU (time-of-check time-of-use) race condition was found in the way systemd, a system and service manager, used to update file permissions and SELinux security contexts. A local attacker could use this flaw to conduct symbolic link attacks possibly leading to their ability to modify permissions / security context of a path different than originally intended / requested. Issue found by Florian Weimer, Red Hat Product Security Team

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
systemd	<239

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2013-4392?
CVE-2013-4392 has been classified with high severity due to its potential to allow local attackers to modify permissions.
How do I fix CVE-2013-4392?
To fix CVE-2013-4392, update systemd to version 239 or later, where the flaw has been addressed.
What systems are affected by CVE-2013-4392?
CVE-2013-4392 affects versions of systemd prior to version 239.
What type of vulnerability is CVE-2013-4392?
CVE-2013-4392 is a TOCTOU (time-of-check time-of-use) race condition vulnerability.
Can CVE-2013-4392 be exploited remotely?
CVE-2013-4392 cannot be exploited remotely; it requires local access to the system.

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agent/event
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collector/redhat-bugzilla
source/Red Hat
alias/CVE-2013-4392
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collector/nvd-index
agent/software-canonical-lookup-request
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canonical/systemd

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Frequently Asked Questions

What is the severity of CVE-2013-4392?
CVE-2013-4392 has been classified with high severity due to its potential to allow local attackers to modify permissions.
How do I fix CVE-2013-4392?
To fix CVE-2013-4392, update systemd to version 239 or later, where the flaw has been addressed.
What systems are affected by CVE-2013-4392?
CVE-2013-4392 affects versions of systemd prior to version 239.
What type of vulnerability is CVE-2013-4392?
CVE-2013-4392 is a TOCTOU (time-of-check time-of-use) race condition vulnerability.
Can CVE-2013-4392 be exploited remotely?
CVE-2013-4392 cannot be exploited remotely; it requires local access to the system.