CVE-2019-18178 - Real Time Engineers FreeRTOS+FAT 160919a has a use after free. The function FF_Close() is defined in

CVE-2019-18178

Summary

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().

References

https://sourceforge.net/p/freertos/bugs/199/

Vulnerable Configurations

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

CVSS

Base:	5.0 (as of 09-11-2019 - 21:41)
Impact:
Exploitability:

CWE

CWE-416

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	PARTIAL	NONE

cvss-vector via4

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

refmap via4

misc

https://sourceforge.net/p/freertos/bugs/199/

Last major update

09-11-2019 - 21:41

Published

04-11-2019 - 20:15

Last modified

09-11-2019 - 21:41