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Threat Model: adjust modality

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Signed-off-by: Janos Follath <janos.follath@arm.com>
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Janos Follath 2023-03-14 15:43:24 +00:00
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1 changed files with 11 additions and 9 deletions
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SECURITY.md
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@ -25,9 +25,10 @@ We classify attacks based on the capabilities of the attacker.
### Remote attacks ### Remote attacks
The attacker can observe and modify data sent over the network. This includes In this section, we consider an attacker who can observe and modify data sent
observing the content and timing of individual packets, as well as suppressing over the network. This includes observing the content and timing of individual
or delaying legitimate messages, and injecting messages. packets, as well as suppressing or delaying legitimate messages, and injecting
messages.
Mbed TLS aims to fully protect against remote attacks and to enable the user Mbed TLS aims to fully protect against remote attacks and to enable the user
application in providing full protection against remote attacks. Said application in providing full protection against remote attacks. Said
@ -42,9 +43,9 @@ and workarounds see the [Block Ciphers](#block-ciphers) section.
### Local attacks ### Local attacks
The attacker can run software on the same machine. The attacker has In this section, we consider an attacker who can run software on the same
insufficient privileges to directly access Mbed TLS assets such as memory and machine. The attacker has insufficient privileges to directly access Mbed TLS
files. assets such as memory and files.
#### Timing attacks #### Timing attacks
@ -93,9 +94,10 @@ application's threat model, they need to be mitigated by the platform.
### Physical attacks ### Physical attacks
The attacker has access to physical information about the hardware Mbed TLS is In this section, we consider an attacker who can attacker has access to
running on and/or can alter the physical state of the hardware (e.g. power physical information about the hardware Mbed TLS is running on and/or can alter
analysis, radio emissions or fault injection). the physical state of the hardware (e.g. power analysis, radio emissions or
fault injection).
Mbed TLS doesn't make any security guarantees against physical attacks. If Mbed TLS doesn't make any security guarantees against physical attacks. If
physical attacks are present in a use case or a user application's threat physical attacks are present in a use case or a user application's threat