CVE-2020-7460

Description

In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p8, 11.4-STABLE before r363919, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, the sendmsg system call in the compat32 subsystem on 64-bit platforms has a time-of-check to time-of-use vulnerability allowing a mailcious userspace program to modify control message headers after they were validation.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.55% Top 20%
Vendor Advisory FreeBSD.org
Affected: n/a FreeBSD
Published at:
Updated at:

References

Link Tags
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.asc vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-949/ third party advisory vdb entry
https://security.netapp.com/advisory/ntap-20200821-0005/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-7460?
CVE-2020-7460 has been scored as a high severity vulnerability.
How to fix CVE-2020-7460?
To fix CVE-2020-7460, 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-2020-7460 being actively exploited in the wild?
It is possible that CVE-2020-7460 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7460?
CVE-2020-7460 affects n/a FreeBSD.
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