CVE-2023-5978

Incorrect libcap_net limitation list manipulation

Description

In versions of FreeBSD 13-RELEASE before 13-RELEASE-p5, under certain circumstances the cap_net libcasper(3) service incorrectly validates that updated constraints are strictly subsets of the active constraints.  When only a list of resolvable domain names was specified without setting any other limitations, an application could submit a new list of domains including include entries not previously listed.  This could permit the application to resolve domain names that were previously restricted.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory freebsd.org
Affected: FreeBSD FreeBSD
Published at:
Updated at:

References

Link Tags
https://security.freebsd.org/advisories/FreeBSD-SA-23:16.cap_net.asc vendor advisory
https://security.netapp.com/advisory/ntap-20231214-0003/

Frequently Asked Questions

What is the severity of CVE-2023-5978?
CVE-2023-5978 has been scored as a high severity vulnerability.
How to fix CVE-2023-5978?
To fix CVE-2023-5978, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-5978 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5978 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5978?
CVE-2023-5978 affects FreeBSD FreeBSD.
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