Critical severity · published Jul 9, 2020
CVE-2020-7458
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…
9.8
CVSS
1.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
11.4; 11.4; 12.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7458
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7458
Patch
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0002/
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