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CVE-2019-5605

MEDIUMCVSS 6.5/10EPSS 2.33%

Last modified

CVE-2019-5605 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In FreeBSD 11.3-STABLE before r350217, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, due to insufficient initialization of memory copied to userland in the freebsd32_ioctl interface, small amounts of kernel memory may be disclosed to userland processes. This may allow an attacker to leverage this information to obtain elevated privileges either directly or indirectly.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

In FreeBSD 11.3-STABLE before r350217, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, due to insufficient initialization of memory copied to userland in the freebsd32_ioctl interface, small amounts of kernel memory may be disclosed to userland processes. This may allow an attacker to leverage this information to obtain elevated privileges either directly or indirectly.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
2.33%

81.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FreebsdFreebsd11.0
FreebsdFreebsd11.2
FreebsdFreebsd11.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-5605?
In FreeBSD 11.3-STABLE before r350217, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, due to insufficient initialization of memory copied to userland in the freebsd32_ioctl interface, small amounts of kernel memory may be disclosed to userland processes. This may allow an attacker to leverage this information to obtain elevated privileges either directly or indirectly.
How severe is CVE-2019-5605?
CVE-2019-5605 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.
How do I fix CVE-2019-5605?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST