High severity · published Sep 20, 2017
CVE-2017-9607
The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection…
7.0
CVSS
0.8%
EPSS
No
On KEV
Description
The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Trusted Firmware-a · Trustedfirmware
through 1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9607
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9607
Issue Tracking
https://github.com/ARM-software/arm-trusted-firmware/blob/v1.4/docs/change-log.rst#new-features
Issue Tracking
https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-4
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