CVE-2019-18178

Real Time Engineers FreeRTOS+FAT 160919a has a use after free. The function FF_Close() is defined in ff_file.c. The file handler pxFile is freed by ffconfigFREE, which (by default) is a macro definition of vPortFree(), but it is reused to flush modified file content from the cache to disk by the function FF_FlushCache().

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://sourceforge.net/p/freertos/bugs/199/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:amazon:freertos\+fat:160919a:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-11-04 20:15

Updated : 2019-11-09 21:41

NVD link : CVE-2019-18178

Mitre link : CVE-2019-18178

CVE.ORG link : CVE-2019-18178

JSON object : View

Products Affected

amazon

freertos\+fat

CWE

CWE-416

Use After Free

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