Medium severity · published Feb 25, 2019
CVE-2018-20787
The ft5x46 touchscreen driver for custom Linux kernels on the Xiaomi perseus-p-oss MIX 3 device through 2018-11-26 has an integer overflow and OOPS because of missing checks of…
5.5
CVSS
0.8%
EPSS
No
On KEV
Description
The ft5x46 touchscreen driver for custom Linux kernels on the Xiaomi perseus-p-oss MIX 3 device through 2018-11-26 has an integer overflow and OOPS because of missing checks of the size argument in tpdbg_write in drivers/input/touchscreen/ft5x46/ft5x46_ts.c. This is exploitable for a device crash via a syscall by a crafted application on a rooted device.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XP
Xiaomi Perseus-p-oss · Micode
through 2018-11-26 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20787
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20787
Third Party Advisory
https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/991
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