CVE-2020-7458

Description

In FreeBSD 12.1-STABLE before r362281, 11.4-STABLE before r362281, and 11.4-RELEASE before p1, long values in the user-controlled PATH environment variable cause posix_spawnp to write beyond the end of the heap allocated stack possibly leading to arbitrary code execution.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.57% Top 20%
Vendor Advisory FreeBSD.org
Affected: n/a FreeBSD
Published at:
Updated at:

References

Link Tags
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc patch vendor advisory
https://security.netapp.com/advisory/ntap-20200724-0002/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-7458?
CVE-2020-7458 has been scored as a critical severity vulnerability.
How to fix CVE-2020-7458?
To fix CVE-2020-7458, 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-2020-7458 being actively exploited in the wild?
It is possible that CVE-2020-7458 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-2020-7458?
CVE-2020-7458 affects n/a FreeBSD.
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