CVE-2020-7458

moderate-risk
Published 2020-07-09

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.

Do I need to act?

~
1.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Freebsd

References (4)

Patch https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc
Third Party Advisory https://security.netapp.com/advisory/ntap-20200724-0002/
Patch https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc
Third Party Advisory https://security.netapp.com/advisory/ntap-20200724-0002/
45
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 4/34 · Minimal
Exposure 9/34 · Low