Vulnerability CVE-2018-11020
Published: 2018-10-16   Modified: 2018-10-17

Description:
kernel/omap/drivers/rpmsg/rpmsg_omx.c in the kernel component in Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3 allows attackers to inject a crafted argument via the argument of an ioctl on device file /dev/rpmsg-omx1 with the command 3221772291, and cause a kernel crash.

Type:

CWE-88

 (Argument Injection or Modification)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Amazon -> Fire os 

 References:
https://github.com/datadancer/HIAFuzz/blob/master/CVE-2018-11020.md
https://github.com/datadancer/HIAFuzz/blob/master/CVE-Advisory.md
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