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 write beyond the end of the heap allocated stack possibly leading to arbitrary code execution.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd:11.4:-::::::
	cpe:2.3:o:freebsd:freebsd:11.4:beta1::::::
	cpe:2.3:o:freebsd:freebsd:12.1:-::::::

Information

Published : 2020-07-09 07:15

Updated : 2022-01-04 08:39

NVD link : CVE-2020-7458

Mitre link : CVE-2020-7458

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

freebsd

freebsd

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